Table 4.

Results for multivariate logistic regression model with type of health-promoting lifestyle changes as outcome, given as the odds ratio (OR) with 95% confidence interval (CI).

	OR	95% CI	P
Started taking folic acid supplements (cases included in analysis: 377 (84%)):
Duration of infertility in years (mean)	0.921	(0.840–1.009)	0.078
Household income/month (1,000 SEK)	1.012	(1.001–1.024)	0.040
Level of education
College/university	1.853	(1.151–2.983)	0.011
Non-college/non-university	(Ref.)
BMI
Normal	(Ref.)
Overweight	1.287	(0.752–2.203)	0.357
Obese	0.568	(0.293–1.102)	0.094
Country of birth
Sweden	1.828	(0.659–5.074)	0.247
Born outside Sweden	(Ref.)
Parents’ country of birth
Born in Sweden	1.618	(0.664–3.941)	0.289
Born outside Sweden (one or both)	(Ref.)
Information searching
0–1 sites	(Ref.)
2 sites	1.143	(0.631–2.067)	0.660
≥3 sites	2.172	(1.241–3.801)	0.007
Decrease or stop in tobacco use (cases included in analysis: 412 (92%):
Age (years)	0.950	(0.900–1.002)	0.060
Household income/month (1,000 SEK)	0.991	(0.978–1.005)	0.223
Level of education
College/university	(Ref.)
Non-college/non-university	2.256	(1.352–3.765)	0.002
Occupation
Working >50% of the time	(Ref.)
Not working	1.314	(0.705–2.448)	0.390
Increase in physical activity and/or change to more healthy diet (cases included in analysis: 407 (91%)):
Household income/month (1,000 SEK)	0.996	(0.985–1.007)	0.451
Level of education
College/university	(Ref.)
Non-college/non-university	1.057	(0.673–1.661)	0.810
BMI
Normal	(Ref.)
Overweight	2.931	(1.789–4.800)	<0.001
Obese	7.431	(3.700–14.923)	<0.001
Information searching
0–1 sites	(Ref.)
2 sites	1.114	(0.614–2.023)	0.722
≥3 sites	2.032	(1.184–3.487)	0.010