Skip to main content

Table 3 Odds ratios (ORs) and 95% confidence intervals (CIs) for depressive symptoms during pregnancy in relation to secondhand smoke exposure in 1183 pregnant women who had never smoked, Kyushu Okinawa Maternal and Child Health Study, Japan, April 2007 to March 2008

From: Smoking and secondhand smoke exposure and prevalence of depressive symptoms during pregnancy in Japan: baseline data from the Kyushu Okinawa Maternal and Child Health Study

  Prevalence (%) Crude OR (95% CI) Adjusted OR (95% CI)a
Secondhand smoke exposure at home
 Never 48/351 (13.7) 1.00 1.00
 Former 72/436 (16.5) 1.25 (0.84–1.86) 1.18 (0.79–1.78)
 Current 76/396 (19.2) 1.50 (1.01–2.23) 1.51 (1.003–2.30)
Secondhand smoke exposure at work
 Never 73/503 (14.5) 1.00 1.00
 Former 99/550 (18.0) 1.29 (0.93–1.80) 1.05 (0.74–1.50)
 Current 24/130 (18.5) 1.33 (0.79–2.19) 1.75 (0.995–3.01)
  1. a Adjusted for age, gestation, region of residence, number of children, family structure, family income, education, job type, history of depression, and family history of depression
\