The effect of psychosocial stress on single mothers’ smoking

BMC Public Health

Table 1 Sample characteristics of single and partnered mothers

	Single mothers n = 506		Partnered mothers n = 2511		Chi²
	n	%	n	%	p value
Age (years)					0.731
20-29	49	9.8	226	9.1
30-39	220	44.0	1068	42.8
40-49	207	41.4	1096	43.9
50-59	24	4.8	106	4.2
Missings	6		15
Age of the youngest child (years)					<0.001
0-2	30	6.0	437	17.6
3-5	72	14.4	403	16.2
6-11	187	37.5	789	31.7
12-15	139	27.9	527	21.2
16-18	71	14.2	331	13.3
Missings	7		24
Number of children					<0.001
1	293	60.7	842	35.8
2	145	30.0	1099	46.7
3 +	45	9.3	410	17.4
Missings	23		160
Years of school education					0.014
≤ 9	187	34.4	772	31.0
10	181	36.2	1037	41.6
≥ 12	132	26.4	682	27.4
Missings	6		20
Income					<0.001
< 60% median	291	60.0	508	23.7
< 100% median	151	31.1	893	41.7
>100% median	43	8.9	738	34.5
Missings	21		372
Employment status					<0.001
Work ≤ 19 hours/week	71	14.5	442	23.6
Work 20–37 hours/week	200	40.8	922	37.2
Work ≥ 38 hours/week	124	25.3	394	15.9
Housewife/Maternity leave	37	7.6	517	20.9
Unemployed	44	9.0	48	1.9
Early retirement	14	2.9	12	0.5
Missings	16		34

ISSN: 1471-2458