Lifestyle and environmental contributions to ovulatory dysfunction in women of polycystic ovary syndrome

BMC Endocrine Disorders

Table 2 Univariate Comparison in oligo−/anovulation PCOS women, eumenorrheic PCOS women and control women

	PCOS-OA	PCOS-non-OA	Control	P
No.	1979	238	279
Meat favorable diet %(N)	54.60(1061)	41.30(95)	NA	<0.01^a
Exercise duration per week %(N)				0.08
Less than 10 h	64.90(1274)	57.10(133)	65.60(181)
10–20 h (including 10 h)	23.80(468)	26.60(62)	24.60(68)
More than 20 h (including 20 h)	11.30(221)	16.30(38)	9.80(27)
Insomnia%(N)				0.18
Rare	81.40(1596)	87.60(205)	83.10(231)
1-3times/month	11.00(215)	6.40(15)	9.40(26)
Every week	7.60(149)	6.00(14)	7.60(21)
Snoring %(N)	29.30(579)	18.10(43)	11.50(32)	<0.01^a
Smoking %(N)	37.70(734)	28.10(66)	12.20(34)	<0.01^a
Alcohol consumption %(N)	7.10(141)	6.70(16)	6.50(18)	0.92
Tea drinking (%(N)	14.10(273)	15.80(37)	7.00(19)	< 0.01^a
Plastic tableware usage %(N)	38.30(750)	28.10(66)	25.40(71)	< 0.01^a
Indoor decoration at home or workplace %(N)	32.10(635)	24.80(59)	16.80(47)	< 0.01^a
Air freshener usage %(N)	15.60(307)	9.30(22)	12.90(36)	0.02^a
Cooking oil fume contact %(N)	53.00(1026)	43.00(101)	32.30(90)	< 0.01^a

Data was presented as Mean ± SD and median (interquartile range) for normality and non-normality distributions respectively. One-way anova was used in continuous variables, while Chi square test was used in categorical variables
Smoke: Active smoking was defined as a person who currently smoke at least 1 cigarette per 3 days. Passive smoking was defined as a person who inhale smoke constantly from others in work or living area
Alcohol drinking: once a week for at least 6 months; Tea drinking: one cup per day for at least 6 months; Plastic tableware usage: 1 time per day for at least 6 months; Indoor decoration at home or workplace: indoor painting performed or large furniture moved within two years before incidence of dysmenorrhea ; Air freshener usage: 3 times per week for at least 6 months; Cooking oil fume contact: Cooking oil fume contact was defined as women who cooked at home or workplace at least once per 3 days
^asignificance was set at level of 0.05

ISSN: 1472-6823