Table 3.

Anthropometric, reproductive, and lifestyle characteristics of women across Total Smoke Exposure groups

Characteristics	Level	Statistics	Total Smoke Exposure		Test
			nSM	SM
Age [years]		N	84	44	t test; df = 126; p = 0.218
		Mean	29.8	29.0
		SD	3.2	2.9
Age at first child [years]		N	31	17	t test; df = 46; p = 0.055
		Mean	24.7	22.9
		SD	3.3	2.5
Parity status	No	N	52	28	Pearson Chi-square: 0.04, df = 1, p = 0.849
		%	61.9	63.6
	Yes	N	32	16
		%	38.1	36.4
Menarcheal age [years]		N	82	43	t test; df = 123; p = 0.876
		Mean	13.3	13.3
		SD	1.3	1.6
Cycle length [days]		N	84	44	Mann–Whitney U test, p = 0.625
		Median	28.0	29.0
		IQR	26.0–31.5	26.0–30.0
Height [cm]		N	84	44	t test; df = 126; p = 0.748
		Mean	164.6	164.2
		SD	6.0	6.2
Body fat [%]		N	83	44	t test; df = 125; p = 0.944
		Mean	25.2	25.1
		SD	6.4	5.4
Body mass index* [kg/m2]		N	88	44	Mann–Whitney U test, p = 0.475
		Median	21.1	22.1
		IQR	20.0–23.8	20.0–24.0
Body weight [kg]		N	84	44	t test; df = 126; p = 0.819
		Mean	59.7	60.0
		SD	8.5	8.7
Marital status	Single	N	34	15	Pearson Chi-square = 0.38, df = 1, p = 0.541
		%	40.5	34.9
	Ever married	N	50	28
		%	59.5	65.1

*Significance was set at p = 0.05