Table 1.

Demographics, exposure to secondhand smoke, and quality of life of pregnant and postpartum women

	Pregnant women (N = 296)		Postpartum women (N = 106)
	n	%	n	%
Demographics
Age (years)
<24	73	24.7	16	15.1
24–35	167	56.4	61	57.5
>35	56	18.9	29	27.4
(Pregnant women; mean = 29.68 ± 6.14, Min = 18, Max = 42)  (Postpartum women; mean = 31.16 ± 5.99, Min = 18, Max = 42)
Level of education more than high school	150	50.7	55	51.9
Employment	243	82.1	90	84.9
Income more than 10,000–13,000 Thai baht	141	47.6	68	64.2
Perception that income is sufficient	266	76.4	86	81.1
Living with husband	288	97.3	101	95.3
Expecting/having the first child	134	45.3	49	46.2
Secondhand smoke
Secondhand smoke exposure during pregnancy	261	88.2	66	62.3
at street and bus stop	174	58.8	41	38.7
in household area	141	47.6	33	31.1
at commercial shops/restaurants	113	38.2	26	24.5
at public park	61	20.6	10	9.4
at work	34	11.5	3	3.7
Frequency of secondhand smoke exposure during pregnancy
Less than once a week	131	44.2	71	67.0
1–2 days per week	81	27.4	16	15.1
3–4 days per week	34	11.5	9	8.5
5–7 days per week	50	16.9	10	9.4
Family member(s) smoked in the house	93	31.4	28	26.4
Urine test positive for cotinine at the interview	278	93.9	91	86.8
Mental health
Quality of life
Good	117	39.5	73	68.9
Moderate	179	60.5	33	31.1
Poor	0	0	0	0
Postpartum depression	N/A	N/A	6	5.7