From:  Prevalence of vitamin D deficiency among Northern Muslim women with chronic musculoskeletal pain residing in Port Harcourt, Rivers State, Nigeria: a cross-sectional study

 Univariate associations between participant characteristics and Vitamin D deficiency status (N = 220).

VariableDeficient, n = 143 (65.00%)Non-deficient, n = 77 (35.00%)p-value*
Age (mean ± SD)36.4 ± 11.037.6 ± 11.50.448
Marital status
• Married119 (83.22%)26 (33.80%)0.235
•Single/divorced/widowed24 (16.78%)51 (66.20%)
Education level
• None86 (60.14%)42 (54.55%)0.422
• Primary or higher57 (39.86%)35 (45.45%)
Clothing style
• Full-body covering114 (79.72%)40 (51.95%)< 0.001
• Partial covering29 (20.28%)37 (48.05%)
Outdoor activity
• < 3 h/week131 (91.60%)43 (55.84%)< 0.001
• ≥ 3 h/week12 (8.40%)34 (44.16%)
BMI (mean ± SD)28.3 ± 5.427.8 ± 5.10.505
Dietary vitamin D-rich foods
Low dietary vitamin D-rich foods100 (69.93%)38 (49.35%)0.003
Adequate intake43 (30.07%)39 (50.65%)

*p-values: Chi-square tests for categorical variables; Independent-samples t-tests for continuous variables.