Table 1.
Sample characteristics by Vitamin D Deficiency or not.
| Variable | Total (N) | Vitamin D Deficiency Present % (N) |
Vitamin D Deficiency Absent % (N) |
p-value* |
|---|---|---|---|---|
| Total | 15772 | 5139 | 10633 | |
| Age | 0.0002 | |||
| 20 – 29 | 3298 | 18.8 (1041) | 22.6 (2257) | |
| 30 – 39 | 3153 | 22.4 (1138) | 24.2 (2015) | |
| 40 – 49 | 2481 | 19.1 (905) | 18.9 (1576) | |
| 50 – 59 | 1795 | 14.5 (586) | 12.2 (1209) | |
| 60 – 69 | 2228 | 12.8 (693) | 11.1 (1535) | |
| ≥70 | 2817 | 12.4 (776) | 10.9 (2041) | |
| Sex | 0.0000 | |||
| Male | 8358 | 65.8 (3291) | 48.5 (5067) | |
| Female | 7414 | 34.2 (1848) | 51.5 (5566) | |
| Race/Ethnicity | 0.0000 | |||
| Non-Hispanic White | 6558 | 51.7 (1059) | 83.4 (5499) | |
| Non-Hispanic Black | 4298 | 29.3 (2475) | 5.5 (1823) | |
| Hispanic | 4282 | 7.2 (1401) | 4.5 (2881) | |
| Other | 634 | 11.8 (204) | 6.6 (430) | |
| Region | 0.0000 | |||
| Northeast | 2157 | 16.0 (643) | 22.0 (1514) | |
| Midwest | 3096 | 17.9 (818) | 25.8 (2278) | |
| South | 6827 | 41.9 (2532) | 32.2 (4295) | |
| West | 3692 | 24.3 (1146) | 20.0 (2546) | |
| Month | 0.0000 | |||
| Jan | 1401 | 10.0 (633) | 6.0 (768) | |
| Feb | 1215 | 7.1 (531) | 4.0 (684) | |
| Mar | 1561 | 8.4 (605) | 4.0 (956) | |
| Apr | 1447 | 9.1 (499) | 6.4 (948) | |
| May | 1347 | 8.3 (401) | 8.5 (946) | |
| Jun | 1279 | 9.3 (334) | 11.3 (945) | |
| Jul | 1012 | 5.5 (205) | 10.3 (807) | |
| Aug | 1546 | 8.6 (364) | 14.9 (1182) | |
| Sep | 1331 | 7.1 (341) | 11.6 (990) | |
| Oct | 1246 | 8.9 (388) | 9.2 (858) | |
| Nov | 1437 | 11.1 (502) | 9.4 (935) | |
| Dec | 950 | 6.7 (336) | 4.5 (614) | |
| Education | 15672 | 0.0008 | ||
| < high school | 6362 | 28.4 (2114) | 23.9 (4248) | |
| High school | 4798 | 35.8 (1656) | 33.1 (3142) | |
| > high school | 4512 | 35.8 (1333) | 43.1 (3179) | |
| Poverty | 14337 | 0.0000 | ||
| < 100 % | 3334 | 17.4 (1261) | 11.0 (2073) | |
| 100 – < 150 % | 2149 | 12.3 (786) | 9.5 (1363) | |
| 150 – < 200 % | 1845 | 11.3 (626) | 11.0 (1219) | |
| 200 – < 300 % | 2699 | 20.8 (828) | 21.5 (1871) | |
| ≥ 300 % | 4310 | 38.2 (1149) | 47.0 (3161) | |
| Insurance | 15095 | 0.0112 | ||
| Any | 12535 | 85.6 (4065) | 88.4 (8470) | |
| None | 2560 | 14.4 (869) | 11.6 (1691) | |
| Smoking Status | 15771 | 0.0001 | ||
| Current | 4067 | 31.2 (1517) | 27.5 (2550) | |
| Former | 3928 | 22.5 (1043) | 26.9 (2885) | |
| Never | 7776 | 46.3 (2579) | 45.6 (5197) | |
| Body Mass Index (Kg/m2) | 15736 | |||
| < 20 | 1002 | 7.0 (309) | 7.3 (693) | |
| 20 – < 25 | 5186 | 30.1 (1459) | 39.2 (3727) | |
| 25 – < 30 | 5514 | 31.1 (1689) | 33.6 (3825) | |
| ≥30 | 4034 | 31.9 (1668) | 19.9 (2366) | |
| Diabetes | 15758 | 0.0000 | ||
| Yes | 1927 | 12.4 (783) | 7.1 (1144) | |
| No | 13831 | 87.6 (4352) | 93.0 (9479) | |
| History of Colorectal Cancer | 15770 | 0.0000 | ||
| Yes | 76 | 0.5 (23) | 0.4 (53) | |
| No | 15694 | 99.5 (5115) | 99.6 (10579) | |
| Activity Level (compared with most people) | 15464 | 0.0000 | ||
| More active | 4938 | 28.2 (1378) | 335.2 (3560) | |
| Less active | 3427 | 27.9 (1326) | 20.3 (2101) | |
| about the same | 7099 | 44.0 (2350) | 44.5 (4749) | |
| Total METS per Month | 12272 | 0.0000 | ||
| < median | 6394 | 59.5 (2144) | 47.8 (4250) | |
| >= median | 5878 | 40.5 (1491) | 52.2 (4387) | |
| Alcohol (gm/day) | 15230 | 0.0012 | ||
| None | 12098 | 79.6 (4003) | 74.7 (8095) | |
| > None | 3132 | 20.4 (941) | 25.3 (2191) | |
| Calcium (mg/day) | 15230 | 0.0000 | ||
| < median | 8527 | 66.0 (3360) | 45.7 (5167) | |
| >= median | 6703 | 34.0 (1584) | 54.3 (5119) | |
| Dietary Fiber (gm/day) | 15230 | 0.0000 | ||
| < median | 7844 | 59.6 (2949) | 47.3 (4895) | |
| >= median | 7386 | 40.4 (1995) | 52.7 (5391) | |
| Saturated Fat (gm)/day) | 14089 | 0.0000 | ||
| < median | 7792 | 57.4 (2871) | 48.4 (4921) | |
| >= median | 6297 | 42.6 (1959) | 52.0 (4338) | |
| Meats (number of servings/day) | 15230 | 0.0259 | ||
| < median | 7603 | 52.9 (2528) | 49.3 (5075) | |
| >= median | 7627 | 47.1 (2416) | 50.7 (5211) | |
| Colorectal Cancer Death | 15772 | 0.0230 | ||
| Yes | 91 | 0.6 (36) | 0.3 (55) | |
| No | 15681 | 99.4 (5103) | 99.7 (10578) |
Notes:
*
Chi-square test are weighted