Table 4 Impact of HOR UV index on risk of stress fractures when stratified by racial group/ethnicity
Men | Women | ||||||
|---|---|---|---|---|---|---|---|
Variable | Strata –UV Index | n | Odds ratio (95%CI) | p-value | n | Odds ratio (95%CI) | p-value |
White | High | 71,845 | 1.0 | Referent | 12,721 | 1.0 | Referent |
Medium | 107,128 | 1.00 (0.93-1.06) | 0.87 | 16,868 | 0.94 (0.87-1.01) | 0.10 | |
Low | 107,536 | 0.79 (0.74-0.84) | <0.01 | 16,190 | 0.74 (0.68-0.80) | <0.01 | |
Black | High | 21,196 | 1.0 | Referent | 9,888 | 1.0 | Referent |
Medium | 29,301 | 1.12 (0.94-1.32) | 0.20 | 12,124 | 1.12 (1.00-1.25) | 0.05 | |
Low | 14,773 | 1.09 (0.90-1.33) | 0.38 | 5,249 | 1.05 (0.91-1.21) | 0.52 | |
Hispanic | High | 28,724 | 1.0 | Referent | 6,725 | 1.0 | Referent |
Medium | 9,032 | 1.35 (1.15-1.60) | <0.01 | 2,391 | 1.11 (0.93-1.31) | 0.24 | |
Low | 9,691 | 1.18 (0.99-1.39) | 0.06 | 2,454 | 1.09 (0.92-1.29) | 0.33 | |
Asian | High | 5,775 | 1.0 | Referent | 1,262 | 1.0 | Referent |
Medium | 4,137 | 1.10 (0.80-1.52) | 0.56 | 915 | 0.85 (0.62-1.16) | 0.31 | |
Low | 3,693 | 1.39 (1.01-1.90) | 0.04 | 720 | 0.57 (0.39-0.84) | <0.01 | |
Am. Indian | High | 1,331 | 1.0 | Referent | 638 | 1.0 | Referent |
Medium | 1,530 | 1.03 (0.62-1.71) | 0.92 | 424 | 1.32 (0.86-2.04) | 0.21 | |
Low | 1,486 | 0.80 (0.46-1.37) | 0.41 | 451 | 0.71 (0.43-1.16) | 0.17 | |