Parameter

Frequency (N = 524)

Hypovitaminosis D (n = 265)^†

P-value^ᵵ

Age (years)

Infancy

1 - 5

>5

72

269

183

39 (54.16%)

113 (42%)

113 (61.75%)

0.03288

0.1335

Gender

Boy

Girls

337

187

166 (49.25%)

99 (52.94%)

0.208

Weight for age

Normal

Low

High

306

198

20

160 (52.29)

89 (44.95%)

16 (80%)

0.05

0.007

Residence

Urban

Rural

209

225

167 (79.90%)

98 (43.55%)

0.00001

Monthly Income (BDT)

≤10,000

>10,000 - 20,000

>20,000 - 50,000

>50,000

73

177

191

83

31 (42.46%)

88 (49.71%)

105 (54.97%)

41 (49.39%)

0.149

0.03

0.192

Feeding Pattern

Exclusive breast feeding

Formula feeding

Homemade feeding

30

69

425

20 (66.67%)

27 (39.13%)

218 (51.29%)

0.005

0.05

Schooling

No education

Kindergarten

Primary

High

317

77

114

16

142 (44.79%)

40 (51.95%)

73 (64.04%)

10 (62.5%)

03

0.0002

0.0002

Sun exposure

Daily

Occasionally

223

301

102 (45.74%)

163 (54.15%)

0.02872

Seasonal variation

Summer

Rainy

Spring

Winter

155

79

145

145

74 (28.39%)

31 (39.24%)

68 (46.9%)

92 (63.45%)

0.21

0.44

0.003