| Non-parametric test | ||||||
| variable | Frequency | Percent | Chi square | df | p-value | |
| Age Groups | 20 - 40 years young age | 242 | 62.9 | 164.577a | 2 | 0.000 |
| 41 - 60 years middle age | 101 | 26.2 | ||||
| >60 years old age | 42 | 10.9 | ||||
| gender | male | 273 | 70.9 | 67.327b | 1 | 0.000 |
| female | 112 | 29.1 | ||||
| marital status | married | 361 | 93.8 | 294.984b | 1 | 0.000 |
| unmarried | 24 | 6.2 | ||||
| address | rural | 209 | 54.3 | 2.829b | 1 | 0.093 |
| urban | 176 | 45.7 | ||||
| education level | un-educated | 123 | 31.9 | 78.894a | 2 | 0.000 |
| primary to matriculation | 202 | 52.5 | ||||
| intermediate to graduate | 60 | 15.6 | ||||
| economical class | lower class | 351 | 91.2 | 580.073a | 2 | 0.000 |
| middle class | 23 | 6.0 | ||||
| upper class | 11 | 2.9 | ||||
| occupation | no occupation | 86 | 22.3 | 44.517c | 3 | 0.000 |
| house wife | 98 | 25.5 | ||||
| manual worker | 146 | 37.9 | ||||
| office worker | 55 | 14.3 | ||||
| vitamin D Deficiency | >30 ng/dl normal | 134 | 34.8 | 160.930a | 2 | 0.000 |
| 20 - 30 ng/dl insufficient | 24 | 6.2 | ||||
| <20 ng/dl deficiency | 227 | 59.0 | ||||
| vitamin D Deficiency | yes | 251 | 65.2 | 35.556b | 1 | 0.000 |
| no | 134 | 34.8 | ||||