Quartiles of insolation exposure | SBP (mmHg) | ||
---|---|---|---|
 | Blacks | Whites | p-value |
 Exploratory analyses – Unadjusted |  |  |  |
  1st vs 4th quartile | 4.7 (3.2, 6.1) | 2.4 (1.1, 3.6) |  |
  2nd vs 4th quartile | 1.4 (−0.1, 3.0) | 3.1 (1.9, 4.3) | 0.0005 |
  3rd vs 4th quartile | 1.3 (−0.2, 2.8) | 2.1 (0.9, 3.3) |  |
 Exploratory analyses – Fully adjusted |  |  |  |
  1st vs 4th quartile | 3.8 (2.8, 5.6) | 1.4 (−0.2, 3.1) |  |
  2nd vs 4th quartile | 1.1 (−0.5, 2.7) | 2.4 (1.0, 3.8) | 0.0012 |
  3rd vs 4th quartile | 1.2 (−0.2, 2.7) | 1.5 (0.2, 2.7) |  |
 Confirmatory analyses – Unadjusted |  |  |  |
  1st vs 4th quartile | 4.6 (3.2, 6.1) | 1.9 (0.7, 3.1) |  |
  2nd vs 4th quartile | 1.8 (0.2, 3.3) | 1.9 (0.7, 3.0) | 0.0058 |
  3rd vs 4th quartile | 1.7 (0.2, 3.2) | 1.7 (0.5, 2.9) |  |
 Confirmatory analyses – Fully adjusted |  |  |  |
  1st vs 4th quartile | 1.7 (−0.7, 4.1) | 1.6 (−0.9, 4.1) |  |
  2nd vs 4th quartile | 0.6 (−1.5, 2.6) | 1.6 (−0.4, 3.7) | 0.5855 |
  3rd vs 4th quartile | −0.3 (−2.3, 1.6) | 1.0 (−0.8, 2.8) |  |