Published in BMJ on March 25, 1989
Psychological distress in pregnancy and preterm delivery. BMJ (1993) 3.67
Preterm delivery: effects of socioeconomic factors, psychological stress, smoking, alcohol, and caffeine. BMJ (1995) 2.54
Maternal caffeine intake during pregnancy is associated with risk of low birth weight: a systematic review and dose-response meta-analysis. BMC Med (2014) 2.12
Is low birth weight a risk factor for asthma during adolescence? Arch Dis Child (1991) 2.02
Intrauterine growth retardation and premature delivery: the influence of maternal smoking and psychosocial factors. Am J Public Health (1996) 1.59
Birthweight ratio and outcome in preterm infants. Arch Dis Child (1990) 1.52
Cigarette, alcohol, and coffee consumption and prematurity. Am J Public Health (1992) 1.49
Environmental tobacco smoke and low birth weight: a hazard in the workplace? Environ Health Perspect (1999) 1.43
Factors affecting survival and outcome at 3 years in extremely preterm infants. Arch Dis Child Fetal Neonatal Ed (1994) 1.34
Fetal growth and length of gestation in relation to prenatal exposure to environmental tobacco smoke assessed by hair nicotine concentration. Environ Health Perspect (2001) 1.32
Psychosocial resources and persistent smoking in early pregnancy--a population study of women in their first pregnancy in Sweden. J Epidemiol Community Health (1996) 1.24
Prenatal alcohol exposure, birthweight, and measures of child size from birth to age 14 years. Am J Public Health (1994) 1.21
Social environment and height: England and Scotland 1987 and 1988. Arch Dis Child (1991) 1.19
Smoking and other health related behaviour in the social and environmental context. Arch Dis Child (1996) 1.18
Paternal smoking and birthweight in Shanghai. Am J Public Health (1993) 1.17
Passive smoking and the health of children. Thorax (1994) 1.16
Smoking and caffeine and alcohol intake during pregnancy in a northern population: effect on fetal growth. CMAJ (1992) 1.15
Risk factors for low birth weight in a socio-economically disadvantaged population: parity, marital status, ethnicity and cigarette smoking. Eur J Epidemiol (2003) 1.13
Influence of birth weight on differences in infant mortality by social class and legitimacy. BMJ (1991) 1.06
Work activity in pregnancy, preventive measures, and the risk of delivering a small-for-gestational-age infant. Am J Public Health (2006) 1.06
Perinatal depression and birth outcomes in a Healthy Start project. Matern Child Health J (2011) 1.05
Caffeine consumption during pregnancy and fetal growth. Am J Public Health (1991) 1.02
Effects on birthweight of alcohol and caffeine consumption in smoking women. J Epidemiol Community Health (1991) 1.02
Low birth weight in Spain associated with sociodemographic factors. J Epidemiol Community Health (1995) 0.99
Relation of caffeine intake and blood caffeine concentrations during pregnancy to fetal growth: prospective population based study. BMJ (1996) 0.98
Socioeconomic and work related determinants of pregnancy outcome in southern Thailand. J Epidemiol Community Health (1999) 0.98
Decreasing smoking prevalence during pregnancy in Sweden: the effect on small-for-gestational-age births. Am J Public Health (1997) 0.97
Does maternal tobacco smoking modify the effect of alcohol on fetal growth? Am J Public Health (1991) 0.97
Oxidative stress markers and micronutrients in maternal and cord blood in relation to neonatal outcome. Eur J Clin Nutr (2013) 0.90
Social determinants of nutrient intake in smokers and non-smokers during pregnancy. J Epidemiol Community Health (1990) 0.90
Effects of prenatal tobacco, alcohol and marijuana exposure on processing speed, visual-motor coordination, and interhemispheric transfer. Neurotoxicol Teratol (2010) 0.90
Can the risk of obstetric anal sphincter injuries (OASIs) be predicted using a risk-scoring system? BMC Res Notes (2014) 0.87
A multilevel non-hierarchical study of birth weight and socioeconomic status. Int J Health Geogr (2010) 0.87
Relationship between prenatal anxiety and perinatal outcome in nulliparous women: a prospective study. J Natl Med Assoc (1997) 0.87
Maternal Dietary Patterns during Third Trimester in Association with Birthweight Characteristics and Early Infant Growth. Scientifica (Cairo) (2013) 0.87
A multidisciplinary program of preparation for childbirth and motherhood: maternal anxiety and perinatal outcomes. Reprod Health (2010) 0.86
Does passive smoking in early pregnancy increase the risk of small-for-gestational-age infants? Am J Public Health (1998) 0.85
The use of psychosocial stress scales in preterm birth research. Am J Obstet Gynecol (2011) 0.84
Abuse-related post-traumatic stress, coping, and tobacco use in pregnancy. J Obstet Gynecol Neonatal Nurs (2011) 0.83
Smoking and drinking habits before and during pregnancy in Spanish women. J Epidemiol Community Health (1994) 0.82
Selection and the effect of prenatal smoking. Health Econ (2010) 0.82
A targeted approach to reducing maternal smoking. Br J Gen Pract (2000) 0.81
The treatment of parental height as a biological factor in studies of birth weight and childhood growth. Arch Dis Child (2002) 0.79
Maternal leisure-time physical activities are not determinant risk factors of low birthweight babies: A cross-sectional study of 1,714 pregnant women. Environ Health Prev Med (2000) 0.78
Pharmacological treatment for pregnant women who smoke cigarettes. Tob Induc Dis (2003) 0.77
Posttraumatic stress disorder, smoking, and cortisol in a community sample of pregnant women. Addict Behav (2014) 0.77
Factors associated with birth weight in Sweden: the study of men born in 1913. J Epidemiol Community Health (1997) 0.77
The effects on fetal development of high alpha-fetoprotein and maternal smoking. Am J Public Health (1999) 0.76
Stillbirth as risk factor for depression and anxiety in subsequent pregnancy. References were misinterpreted. BMJ (1999) 0.75
Depression and Anxiety in Women During Pregnancy in Slovenia. Zdr Varst (2014) 0.75
Smoking and medication during pregnancy predict repeated unintentional injuries in early childhood but not single unintentional injuries. Prev Sci (2013) 0.75
Commentary: what can evidence on intergenerational transmission of risk of low birth weight and cardiovascular disease tell us about mechanisms? Int J Epidemiol (2010) 0.75
Liaison psychiatry for the 21st century: a review. J R Soc Med (1991) 0.75
Psychosocial deprivation in women with gestational diabetes mellitus is associated with poor fetomaternal prognoses: an observational study. BMJ Open (2015) 0.75
Birth weight in a large series of triplets. BMC Pediatr (2011) 0.75
Effect of maternal status and breastfeeding practices on infant nutritional status - a cross sectional study in the south-west region of Bangladesh. Pan Afr Med J (2013) 0.75
Cited studies did not show relation between maternal anxiety and birth weight. BMJ (1999) 0.75
Superovulation Induced Changes of Lipid Metabolism in Ovaries and Embryos and Its Probable Mechanism. PLoS One (2015) 0.75
Anthropometric and health-related behavioral factors in the explanation of social inequalities in low birth weight in children with prenatal alcohol exposure. Int J Environ Res Public Health (2014) 0.75
Fetal growth and ratio of placental weight to birth weight. BMJ (1992) 0.75
Five year outcome of preterm sextuplets related to size at birth. Arch Dis Child (1990) 0.75
A multicenter study of diet quality on birth weight and gestational age in infants of HIV-infected women. Matern Child Nutr (2016) 0.75
Confidence intervals rather than P values: estimation rather than hypothesis testing. Br Med J (Clin Res Ed) (1986) 18.51
A scaled version of the General Health Questionnaire. Psychol Med (1979) 18.13
Identifying the sources of the recent decline in perinatal mortality rates in California. N Engl J Med (1982) 4.64
Life events and depression. A controlled study. Arch Gen Psychiatry (1969) 2.32
Psychosocial stress in pregnancy and its relation to the onset of premature labour. Br Med J (1979) 2.32
Psychosocial stress in pregnancy and its relation to low birth weight. Br Med J (Clin Res Ed) (1984) 2.28
Alcohol consumption in Dundee primigravidas and its effects on outcome of pregnancy. Br Med J (Clin Res Ed) (1988) 2.08
No association between coffee consumption and adverse outcomes of pregnancy. N Engl J Med (1982) 2.01
Alcohol consumption, pregnancy, and low birthweight. Lancet (1983) 1.96
Relationship of cigarette smoking and social class to birth weight and perinatal mortality among all births in Britain, 5-11 April 1970. J Epidemiol Community Health (1983) 1.82
Association of low birth weight with passive smoke exposure in pregnancy. Am J Epidemiol (1986) 1.80
Effect of passive smoking on birth-weight. Lancet (1986) 1.75
Life stress, social support, and emotional disequilibrium in complications of pregnancy: a prospective, multivariate study. J Health Soc Behav (1983) 1.63
Social adversity, low birth weight, and preterm delivery. Br Med J (Clin Res Ed) (1987) 1.58
Birthweight between 14 and 42 weeks' gestation. Arch Dis Child (1985) 1.49
Cigarettes, alcohol and marijuana: varying associations with birthweight. Int J Epidemiol (1987) 1.32
Misclassification as a factor in passive smoking risk. Lancet (1986) 1.27
Passive smoking, birthweight, and oestrogens. Lancet (1986) 1.20
Relation between tobacco smoking of pregnant women and body size of their progeny: a compilation and synthesis of published studies. Hum Biol (1975) 1.15
Pregnancy outcome in North American women. II. Effects of diet, cigarette smoking, stress, and weight gain on placentas, and on neonatal physical and behavioral characteristics. Am J Clin Nutr (1982) 1.14
Maternal caffeine use before, during and after pregnancy and effects upon offspring. Neurobehav Toxicol Teratol (1985) 1.13
Is birth weight determined genetically? Br Med J (Clin Res Ed) (1987) 1.13
Adverse effects of alcohol in pregnancy. Br J Addict (1985) 0.96
Psychosocial factors and obstetric complications. Psychol Med (1983) 0.93
Statistical methods for assessing agreement between two methods of clinical measurement. Lancet (1986) 211.50
International Study of Asthma and Allergies in Childhood (ISAAC): rationale and methods. Eur Respir J (1995) 13.01
Diagnostic tests 2: Predictive values. BMJ (1994) 12.97
Diagnostic tests. 1: Sensitivity and specificity. BMJ (1994) 11.35
Absence of evidence is not evidence of absence. BMJ (1995) 10.36
Using patient and general practice characteristics to explain variations in cervical smear uptake rates. BMJ (1994) 9.81
Influence of morbidity, illness label, and social, family, and health service factors on drug treatment of childhood asthma. Lancet (1981) 7.65
Incidence and prognosis of asthma and wheezing illness from early childhood to age 33 in a national British cohort. BMJ (1996) 6.90
Statistics notes: the normal distribution. BMJ (1995) 6.82
Trends in the hospital care of acute childhood asthma 1970-8: a regional study. Br Med J (1980) 6.72
Increase in hospitalisation for childhood asthma. Arch Dis Child (1978) 6.72
Comparison of clinical information gained from routine blood-gas analysis and from gastric tonometry for intramural pH. Lancet (1993) 5.90
Statistics notes. Treatment allocation in controlled trials: why randomise? BMJ (1999) 5.86
Confounding and effect modification in the short-term effects of ambient particles on total mortality: results from 29 European cities within the APHEA2 project. Epidemiology (2001) 5.80
How to randomise. BMJ (1999) 5.24
Morbidity and school absence caused by asthma and wheezing illness. Arch Dis Child (1983) 5.09
Air pollution and daily mortality in London: 1987-92. BMJ (1996) 4.97
Comparing several groups using analysis of variance. BMJ (1996) 4.89
Controlled evaluation of the effects of patient education on asthma morbidity in general practice. Lancet (1986) 4.31
Time to event (survival) data. BMJ (1998) 4.29
The natural history of asthma in childhood. J Epidemiol Community Health (1986) 4.09
The intracluster correlation coefficient in cluster randomisation. BMJ (1998) 4.07
Short term effects of air pollution on health: a European approach using epidemiologic time series data: the APHEA protocol. J Epidemiol Community Health (1996) 3.90
The development of respiratory symptoms in a cohort of Kent schoolchildren. Bull Physiopathol Respir (Nancy) (1975) 3.78
Diagnostic tests 3: receiver operating characteristic plots. BMJ (1994) 3.73
Effectiveness of acute postoperative pain management: I. Evidence from published data. Br J Anaesth (2002) 3.60
Surgery on the rheumatoid cervical spine for the non-ambulant myelopathic patient-too much, too late? Lancet (1996) 3.52
Acute effects of particulate air pollution on respiratory admissions: results from APHEA 2 project. Air Pollution and Health: a European Approach. Am J Respir Crit Care Med (2001) 3.40
Short-term effects of air pollution on health: a European approach using epidemiological time-series data. The APHEA project: background, objectives, design. Eur Respir J (1995) 3.19
Incidence of pregnancy after laparoscopy and hydrotubation. Br Med J (Clin Res Ed) (1982) 3.11
Analysis of a trial randomised in clusters. BMJ (1998) 3.10
Burden of allergic disease in the UK: secondary analyses of national databases. Clin Exp Allergy (2004) 2.93
Detecting skewness from summary information. BMJ (1996) 2.88
Time trends in allergic disorders in the UK. Thorax (2006) 2.83
Sample size in cluster randomisation. BMJ (1998) 2.82
A national survey of asthma prevalence, severity, and treatment in Great Britain. Arch Dis Child (1994) 2.74
Randomized controlled trial of small group education on the outcome of chronic asthma in general practice. J R Coll Gen Pract (1989) 2.68
Quartiles, quintiles, centiles, and other quantiles. BMJ (1994) 2.68
Factors associated with the starting of cigarette smoking by primary school children. Br J Prev Soc Med (1974) 2.61
Long-term study of smoking by secondary schoolchildren. Arch Dis Child (1978) 2.54
Preterm delivery: effects of socioeconomic factors, psychological stress, smoking, alcohol, and caffeine. BMJ (1995) 2.54
Inappropriate use of daily mortality analyses to estimate longer-term mortality effects of air pollution. Int J Epidemiol (1998) 2.40
Trends in hospital admission rates for asthma in children. BMJ (1992) 2.32
Home monitoring service improves mean arterial pressure in patients with essential hypertension. A randomized, controlled trial. Ann Intern Med (2001) 2.31
Randomised controlled trial of effects of coordinating care for terminally ill cancer patients. BMJ (1992) 2.26
Daily concentrations of air pollution and plasma fibrinogen in London. Occup Environ Med (2000) 2.20
Deaths from abuse of volatile substances: a national epidemiological study. Br Med J (Clin Res Ed) (1985) 2.19
Academic performance and social factors related to cigarette smoking by schoolchildren. Br J Prev Soc Med (1977) 2.15
Worldwide variations in prevalence of symptoms of allergic rhinoconjunctivitis in children: the International Study of Asthma and Allergies in Childhood (ISAAC). Pediatr Allergy Immunol (1997) 2.15
Serum insulin-like growth factor-1 is not a useful marker of prostate cancer. BJU Int (1999) 2.14
Medical care of asthma and wheezing illness in children: a community survey. J Epidemiol Community Health (1983) 2.14
Daily time series for cardiovascular hospital admissions and previous day's air pollution in London, UK. Occup Environ Med (1997) 2.10
Self-reported prevalence of asthma symptoms in children in Australia, England, Germany and New Zealand: an international comparison using the ISAAC protocol. Eur Respir J (1993) 2.07
A new, minimally invasive technique for measuring cardiac index: clinical comparison of continuous cardiac dynamic monitoring and pulmonary artery catheter methods. Anaesthesia (2009) 2.04
Antibody production studied by means of the localized haemolysis in gel (LHG) assay. 3. Mouse cells producing five different classes of antibody. Immunology (1969) 2.04
Uteroplacental arterial changes related to interstitial trophoblast migration in early human pregnancy. Placenta (1983) 2.03
Effects of air pollution on daily hospital admissions for respiratory disease in London between 1987-88 and 1991-92. J Epidemiol Community Health (1996) 2.02
Is the clinical trial evidence about new drugs statistically adequate? Br J Clin Pharmacol (1985) 2.01
Smoking and respiratory symptoms in two groups of schoolchildren. Prev Med (1976) 2.01
Chronic exposure to outdoor air pollution and lung function in adults. Thorax (2009) 1.98
Decision-making in acute asthma. J R Coll Gen Pract (1983) 1.98
Health effects of an air pollution episode in London, December 1991. Thorax (1995) 1.98
Ethnic variation in respiratory morbidity and lung function in childhood. Thorax (1987) 1.94
Unequal cluster sizes for trials in English and Welsh general practice: implications for sample size calculations. Stat Med (2001) 1.93
Sex-specific antenatal reference growth charts for uncomplicated singleton pregnancies at 15-40 weeks of gestation. Ultrasound Obstet Gynecol (2004) 1.89
Plasma proinflammatory cytokine concentrations, Acute Physiology and Chronic Health Evaluation (APACHE) III scores and survival in patients in an intensive care unit. Crit Care Med (1996) 1.86
Short-term associations between outdoor air pollution and mortality in London 1992-4. Occup Environ Med (1999) 1.85
Validation of estimates of energy intake by weighed dietary record and diet history in children and adolescents. Am J Clin Nutr (1992) 1.84
Angiotensin-converting enzyme gene deletion polymorphism. A new risk factor for lacunar stroke but not carotid atheroma. Stroke (1995) 1.77
Handedness and longevity: archival study of cricketers. BMJ (1995) 1.76
Emergency hospital admissions for respiratory disorders attributable to summer time ozone episodes in Great Britain. Thorax (1997) 1.72
Effects of exposure to gas cooking in childhood and adulthood on respiratory symptoms, allergic sensitization and lung function in young British adults. Clin Exp Allergy (1999) 1.71
Respiratory morbidity and lung function after whooping-cough. Lancet (1983) 1.71
Statistics notes. Units of analysis. BMJ (1997) 1.70
Evaluating health education in asthma -- developing the methodology: preliminary communication. J R Soc Med (1982) 1.69
Impact of whooping cough on patients and their families. Br Med J (Clin Res Ed) (1985) 1.68
Current tuberculosis screening practices. Am J Public Health (1984) 1.67
Childhood antecedents of allergic sensitization in young British adults. J Allergy Clin Immunol (1997) 1.67
The home environment and asthma symptoms in childhood: two population based case-control studies 13 years apart. Thorax (1997) 1.65
An investigation of 140 deaths associated with volatile substance abuse in the United Kingdom (1971-1981). Hum Toxicol (1982) 1.64
Controlling deaths from volatile substance abuse in under 18s: the effects of legislation. BMJ (1992) 1.63
Impact of heat on mortality in 15 European cities: attributable deaths under different weather scenarios. J Epidemiol Community Health (2009) 1.62
Air pollution, pollens, and daily admissions for asthma in London 1987-92. Thorax (1998) 1.62
Regional variations in wheezing illness in British children: effect of migration during early childhood. J Epidemiol Community Health (1990) 1.61
Cough hypersensitivity syndrome: a distinct clinical entity. Lung (2010) 1.61
The effect of anxiety and depression during pregnancy on obstetric complications. Br J Obstet Gynaecol (1993) 1.60
Who calls 999 and why? A survey of the emergency workload of the London Ambulance Service. J Accid Emerg Med (1999) 1.60
Respiratory abnormalities in Papua New Guinea children: the effects of locality and domestic wood smoke pollution. Int J Epidemiol (1978) 1.59
Association of air pollution with daily GP consultations for asthma and other lower respiratory conditions in London. Thorax (1999) 1.59
Short-term effects of air pollution on hospital admissions of respiratory diseases in Europe: a quantitative summary of APHEA study results. Air Pollution and Health: a European Approach. Arch Environ Health (1998) 1.59