Table 4.

Multivariate logistic analysis of the association of vitamin D status with socioeconomic status index and health service utilisation variables

Vitamin D status	Insufficiency aOR (95% CI)*	Deficiency aOR (95% CI)*	Severe deficiency aOR (95% CI)*
Socioeconomic status
SES index
High	1.00	1.00	1.00
Middle	1.26 (0.80 to 1.99)	1.23 (0.82 to 1.82)	1.70 (1.02 to 2.84)
Low	2.40 (1.52 to 3.80)	1.64 (1.08 to 2.50)	2.45 (1.45 to 4.14)
Utilisation of health services
Accept eugenic publicity
No	1.00	1.00	1.00
Yes	0.94 (0.64 to 1.40)	0.77 (0.54 to 1.11)	1.10 (0.70 to 1.72)
Physical examination during the past year
No	1.00	1.00	1.00
Yes	0.74 (0.50 to 1.09)	0.49 (0.35 to 0.70)	0.24 (0.15 to 0.39)

*Adjusted for women’s age, gravidity, BMI, history of chronic diseases, nutritional supplement, meat intake, egg intake, fish intake, vegetable and fruit intake, beans or bean product intake, milk or dairy product intake, picky eating habits, passive smoking and physical exercise.

aOR, adjusted OR; BMI, body mass index; SES, socioeconomic status.