RRs with 95% CIs for associations of time-dependent minimum annual residential UVR in a 20-km radius, categorized into California statewide quartiles, with risk of overall NHL, stratified by sun sensitivity, sun exposure, and other characteristics
| Minimum average annual residential UVR in a 20-km radius (W-h/m2) . | Cases (n)* . | RR (95% CI)† . | Cases (n)* . | RR (95% CI)† . | Pinteraction . |
|---|---|---|---|---|---|
| Severe burn after 1 h in hot sun | Mild or no burn after 1 h in hot sun | ||||
| < 4915 | 84 | 1.00 (reference) | 193 | 1.00 (reference) | |
| 4915 to < 5026 | 83 | 1.13 (0.84-1.53) | 130 | 0.83 (0.66-1.03) | |
| 5026 to < 5100 | 21 | 1.06 (0.66-1.70) | 34 | 0.80 (0.56-1.15) | |
| ≥ 5100 | 19 | 0.97 (0.60-1.57) | 25 | 0.50 (0.33-0.75) | .16 |
| Ptrend | .73 | < .01‡ | |||
| Light or no tan after repeated sun | Moderate or deep tan after repeated sun | ||||
| < 4915 | 84 | 1.00 (reference) | 189 | 1.00 (reference) | |
| 4915 to < 5026 | 67 | 0.96 (0.70-1.32) | 141 | 0.90 (0.72-1.12) | |
| 5026 to < 5100 | 11 | 0.55 (0.30-1.04) | 44 | 1.00 (0.72-1.39) | |
| ≥ 5100 | 18 | 0.84 (0.51-1.38) | 26 | 0.53 (0.35-0.79) | |
| Ptrend | .25 | .02‡ | .17 | ||
| Ever severely sunburned with blistering | Never severely sunburned with blistering | ||||
| < 4915 | 195 | 1.00 (reference) | 83 | 1.00 (reference) | |
| 4915 to < 5026 | 145 | 0.90 (0.73-1.11) | 69 | 1.04 (0.76-1.43) | |
| 5026 to < 5100 | 32 | 0.72 (0.50-1.04) | 23 | 1.32 (0.83-2.10) | |
| ≥ 5100 | 33 | 0.61 (0.42-0.89) | 11 | 0.54 (0.29-1.01) | .21 |
| Ptrend | .01‡ | .47 | |||
| History of melanoma or other skin cancer | No melanoma or other skin cancer | ||||
| < 4915 | 38 | 1.00 (reference) | 246 | 1.00 (reference) | |
| 4915 to < 5026 | 32 | 0.94 (0.59-1.50) | 182 | 0.89 (0.73-1.07) | |
| 5026 to < 5100 | 13 | 1.43 (0.77-2.64) | 45 | 0.79 (0.58-1.09) | |
| ≥ 5100 | 12 | 1.21 (0.64-2.26) | 32 | 0.50 (0.35-0.72) | .09 |
| Ptrend | .52 | < .01‡ | |||
| Non-Hispanic white | Other race/ethnicity | ||||
| < 4915 | 259 | 1.00 (reference) | 23 | 1.00 (reference) | |
| 4915 to < 5026 | 185 | 0.90 (0.75-1.08) | 27 | 1.19 (0.69-2.06) | |
| 5026 to < 5100 | 55 | 0.93 (0.70-1.24) | 3 | 0.75 (0.22-2.50) | |
| ≥ 5100 | 41 | 0.59 (0.43-0.82) | 3 | 0.57 (0.17-1.90) | |
| Ptrend | .01‡ | .65 | .69 | ||
| Body mass index ≥ 25 kg/m2 | Body mass index < 25 kg/m2 | ||||
| < 4915 | 116 | 1.00 (reference) | 145 | 1.00 (reference) | |
| 4915 to < 5026 | 89 | 0.89 (0.68-1.17) | 115 | 0.97 (0.76-1.24) | |
| 5026 to < 5100 | 23 | 0.82 (0.53-1.29) | 32 | 1.02 (0.70-1.48) | |
| ≥ 5100 | 19 | 0.58 (0.36-0.93) | 23 | 0.65 (0.42-1.00) | .86 |
| Ptrend | .03‡ | .20 | |||
| Deciles 8-10 of statewide SES | Deciles 1-7 of statewide SES | ||||
| < 4915 | 184 | 1.00 (reference) | 96 | 1.00 (reference) | |
| 4915 to < 5026 | 132 | 0.90 (0.72-1.13) | 81 | 0.97 (0.73-1.30) | |
| 5026 to < 5100 | 22 | 0.80 (0.52-1.24) | 36 | 1.09 (0.75-1.60) | |
| ≥ 5100 | 11 | 0.43 (0.23-0.79) | 33 | 0.75 (0.51-1.12) | .38 |
| Ptrend | .02‡ | .35 | |||
| Minimum average annual residential UVR in a 20-km radius (W-h/m2) . | Cases (n)* . | RR (95% CI)† . | Cases (n)* . | RR (95% CI)† . | Pinteraction . |
|---|---|---|---|---|---|
| Severe burn after 1 h in hot sun | Mild or no burn after 1 h in hot sun | ||||
| < 4915 | 84 | 1.00 (reference) | 193 | 1.00 (reference) | |
| 4915 to < 5026 | 83 | 1.13 (0.84-1.53) | 130 | 0.83 (0.66-1.03) | |
| 5026 to < 5100 | 21 | 1.06 (0.66-1.70) | 34 | 0.80 (0.56-1.15) | |
| ≥ 5100 | 19 | 0.97 (0.60-1.57) | 25 | 0.50 (0.33-0.75) | .16 |
| Ptrend | .73 | < .01‡ | |||
| Light or no tan after repeated sun | Moderate or deep tan after repeated sun | ||||
| < 4915 | 84 | 1.00 (reference) | 189 | 1.00 (reference) | |
| 4915 to < 5026 | 67 | 0.96 (0.70-1.32) | 141 | 0.90 (0.72-1.12) | |
| 5026 to < 5100 | 11 | 0.55 (0.30-1.04) | 44 | 1.00 (0.72-1.39) | |
| ≥ 5100 | 18 | 0.84 (0.51-1.38) | 26 | 0.53 (0.35-0.79) | |
| Ptrend | .25 | .02‡ | .17 | ||
| Ever severely sunburned with blistering | Never severely sunburned with blistering | ||||
| < 4915 | 195 | 1.00 (reference) | 83 | 1.00 (reference) | |
| 4915 to < 5026 | 145 | 0.90 (0.73-1.11) | 69 | 1.04 (0.76-1.43) | |
| 5026 to < 5100 | 32 | 0.72 (0.50-1.04) | 23 | 1.32 (0.83-2.10) | |
| ≥ 5100 | 33 | 0.61 (0.42-0.89) | 11 | 0.54 (0.29-1.01) | .21 |
| Ptrend | .01‡ | .47 | |||
| History of melanoma or other skin cancer | No melanoma or other skin cancer | ||||
| < 4915 | 38 | 1.00 (reference) | 246 | 1.00 (reference) | |
| 4915 to < 5026 | 32 | 0.94 (0.59-1.50) | 182 | 0.89 (0.73-1.07) | |
| 5026 to < 5100 | 13 | 1.43 (0.77-2.64) | 45 | 0.79 (0.58-1.09) | |
| ≥ 5100 | 12 | 1.21 (0.64-2.26) | 32 | 0.50 (0.35-0.72) | .09 |
| Ptrend | .52 | < .01‡ | |||
| Non-Hispanic white | Other race/ethnicity | ||||
| < 4915 | 259 | 1.00 (reference) | 23 | 1.00 (reference) | |
| 4915 to < 5026 | 185 | 0.90 (0.75-1.08) | 27 | 1.19 (0.69-2.06) | |
| 5026 to < 5100 | 55 | 0.93 (0.70-1.24) | 3 | 0.75 (0.22-2.50) | |
| ≥ 5100 | 41 | 0.59 (0.43-0.82) | 3 | 0.57 (0.17-1.90) | |
| Ptrend | .01‡ | .65 | .69 | ||
| Body mass index ≥ 25 kg/m2 | Body mass index < 25 kg/m2 | ||||
| < 4915 | 116 | 1.00 (reference) | 145 | 1.00 (reference) | |
| 4915 to < 5026 | 89 | 0.89 (0.68-1.17) | 115 | 0.97 (0.76-1.24) | |
| 5026 to < 5100 | 23 | 0.82 (0.53-1.29) | 32 | 1.02 (0.70-1.48) | |
| ≥ 5100 | 19 | 0.58 (0.36-0.93) | 23 | 0.65 (0.42-1.00) | .86 |
| Ptrend | .03‡ | .20 | |||
| Deciles 8-10 of statewide SES | Deciles 1-7 of statewide SES | ||||
| < 4915 | 184 | 1.00 (reference) | 96 | 1.00 (reference) | |
| 4915 to < 5026 | 132 | 0.90 (0.72-1.13) | 81 | 0.97 (0.73-1.30) | |
| 5026 to < 5100 | 22 | 0.80 (0.52-1.24) | 36 | 1.09 (0.75-1.60) | |
| ≥ 5100 | 11 | 0.43 (0.23-0.79) | 33 | 0.75 (0.51-1.12) | .38 |
| Ptrend | .02‡ | .35 | |||