Table 1

Characteristics of the participants.

Tehran High pollution area

Ghazvin Low pollution area

Total


Age (years)*

35 (29-42)

39 (31-44)***

37(31-44)


BMI (kg/m2)**

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


* Median (IQ: 25-75). ** Mean ± SD. *** P-value < 0.05

Hosseinpanah et al. BMC Public Health 2010 10:519   doi:10.1186/1471-2458-10-519

Open Data