From: The effects of air pollution on vitamin D status in healthy women: A cross sectional study
Tehran High pollution area | Ghazvin Low pollution area | Total | |
---|---|---|---|
Age (years)* | 35 (29-42) | 39 (31-44)*** | 37(31-44) |
BMI (kg/m 2)** | 28 ± 5 | 26 ± 3*** | 27 ± 4.6 |
Daily dietary Calcium intake (mg)** | 964 ± 402 | 880 ± 343 | 925 ± 379 |
Daily dietary Phosphor intake (mg)** | 1255 ± 491 | 1113 ± 430 | 1184 ± 424 |
Daily dietary vitamin D intake (ug)* | 1.67 (0.8-2.8) | 1.60 (0.6-2.7) | 1.60(0.9-2.7) |
Daily dietary protein intake (gr)** | 67 ± 27 | 62 ± 35 | 64 ± 27 |
Housing status% *** | |||
Apartment | 73(73) | 47(47) | 120(60) |
Villa | 27(27) | 53(53) | 80(40) |
Time spent outdoor% *** | |||
>3 days in week | 69(69) | 85(85) | 154(77) |
<3 days in week | 31(31) | 15(15) | 46(23) |
Sun screen % | |||
Routine | 33(33) | 20(20) | 53(26.5) |
Never | 41(41) | 50(50) | 91(45.5) |
Occasion | 26(26) | 30(30) | 56(28) |
UVB (W/m 2)** | 0.16 ± 0.03 | 0.31 ± 0.07 *** | 0.27 ± 0.09 |