The impact of occupational shift work and working hours during pregnancy on health outcomes: a systematic review and meta-analysis

被引:2
作者
Cai, Chenxi [1 ]
Vandermeer, Ben [2 ]
Khurana, Rshmi [3 ,4 ]
Nerenberg, Kara [5 ,6 ,7 ]
Featherstone, Robin [8 ]
Sebastianski, Meghan [8 ]
Davenport, Margie H. [1 ]
机构
[1] Univ Alberta, Program Pregnancy & Postpartum Hlth, Women & Childrens Hlth Res Inst,Phys Act & Diabet, Fac Kinesiol Sport & Recreat,Alberta Diabet Inst, Edmonton, AB, Canada
[2] Univ Alberta, Fac Med & Dent, Dept Pediat, Alberta Res Ctr Hlth Evidence, Edmonton, AB, Canada
[3] Univ Alberta, Women & Childrens Hlth Res Inst, Fac Med, Dept Med, Edmonton, AB, Canada
[4] Univ Alberta, Women & Childrens Hlth Res Inst, Fac Med, Dept Obstet & Gynecol, Edmonton, AB, Canada
[5] Univ Calgary, Dept Med, Calgary, AB, Canada
[6] Univ Calgary, Dept Obstet & Gynecol, Calgary, AB, Canada
[7] Univ Calgary, Dept Community Hlth Sci, Calgary, AB, Canada
[8] Univ Alberta, Alberta Strategy Patient Oriented Res SPOR Knowle, Alberta Res Ctr Hlth Evidence, Dept Pediat,Fac Med & Dent, Edmonton, AB, Canada
基金
加拿大健康研究院;
关键词
pregnancy outcomes; shift work; working hours; LOW-BIRTH-WEIGHT; PRETERM BIRTH; SPONTANEOUS-ABORTION; RISK-FACTORS; JOB STRAIN; CATECHOLAMINE LEVELS; MATERNAL OCCUPATION; PREVENTIVE MEASURES; PHYSICAL EXERTION; ANESTHETIC-GASES;
D O I
10.1016/j.alog.2019.06.051
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
BACKGROUD: An increasing number of original studies suggest that exposure to shift work and long working hours during pregnancy could be associated with the risk of adverse pregnancy outcomes, but the results remain conflicting and inconclusive. OBJECTIVE: To examine the influences of shift work and longer working hours during pregnancy on maternal and fetal health outcomes. DATA SOURCES: Five electronic databases and 3 gray literature sources were searched up to March 15, 2019. METHODS OF STUDY SELECTION: Studies of all designs (except case studies and reviews) were included, which contained information on the relevant population (women who engaged in paid work during pregnancy); exposure (rotating shift work [shifts change according to a set schedule], fixed night shift [typical working period is between 11:00 pm and 11:00 am] or longer working hours [>40 hours per week]);comparator (fixed day shift [typical working period is between 8:00 am and 6:00 pm] or standard working hours [<40 hours per week]); and outcomes (preterm delivery, low birthweight [birthweight <2500 g], small for gestational age, miscarriage, gestational hypertension, preeclampsia, intrauterine growth restriction, stillbirth, and gestational diabetes mellitus). TABULATION, INTEGRATION, AND RESULTS: From 3305 unique citations, 62 observational studies (196,989 women) were included. "Low" to "very low" certainty evidence from these studies revealed that working rotating shifts was associated with an increased odds of preterm delivery (odds ratio, 1.13; 95% confidence interval, 1.00-1.28,12 = 31%), an infant small for gestational age (odds ratio, 1.18, 95% confidence interval, 1.01-1.38,I-2= 0%), preeclampsia (odds ratio, 1.75, 95% confidence interval, 1.01-3.01,I-2 = 75%), and gestational hypertension (odds ratio, 1.19, 95% confidence interval, 1.10-1.29,12= 0%), compared to those who worked a fixed day shift. Working fixed night shifts was associated with an increased odds of preterm delivery (odds ratio, 1.21; 95% confidence interval, 1.03-1.42; I-2 = 36%) and miscarriage (odds ratio, 1.23; 95% confidence interval, 1.03-1.47;I-2= 37%). Compared with standard hours, working longer hours was associated with an increased odds of miscarriage (odds ratio, 1.38; 95% confidence interval, 1.08-1.77; I-2 = 73%), preterm delivery (odds ratio, 1.21; 95% confidence interval, 1.11-1.33; I-2 = 30%), an infant of low birthweight (odds ratio, 1.43; 95% confidence interval, 1.11-1.84; I-2 = 0%), or an infant small for gestational age (odds ratio, 1.16, 95% confidence interval, 1.00-1.36,I-2 = 57%). Dose response analysis showed that women working more than 55.5 hours (vs 40 hours) per week had a 10% increase in the odds of having a preterm delivery. CONCLUSION: Pregnant women who work rotating shifts, fixed night shifts, or longer hours have an increased risk of adverse pregnancy outcomes.
引用
收藏
页码:563 / 576
页数:14
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