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Table 3 Adjusted odds ratios (ORs) of any sunburns for covariates and environmental variables of interest

From: Associations between ultraviolet radiation, tree cover and adolescent sunburns

  Model 1:
No spatial variables
Model 2: Lat. and long. Model 3: UV and long. Model 4: Tree cover, lat. and long. Model 5: UV, tree cover and long.
  Adjusted ORs of any sunburns p Adjusted ORs
of any sunburns
p Adjusted ORs
of any sunburns
p Adjusted ORs
of any sunburns
p Adjusted ORs
of any sunburns
p
Female (ref = male) 1.31
(1.03–1.68)
0.03 1.32
(1.03–1.69)
0.03 1.31
(1.03–1.68)
0.03 1.32
(1.03–1.69)
0.03 1.31
(1.02–1.68)
0.03
Race/ethnicity (ref = White, non-Hispanic)
 Hispanic 0.37
(0.25–0.55)
0.28 0.36
(0.24–0.54)
0.38 0.36
(0.24–0.54)
0.42 0.36
(0.24–0.54)
0.41 0.35
(0.24–0.53)
0.45
 Black or African
American, non-Hispanic
0.09
(0.06–0.15)
 < 0.0001 0.10
(0.06–0.16)
 < 0.0001 0.10
(0.06–0.16)
 < 0.0001 0.10
(0.06–0.16)
 < 0.0001 0.10
(0.06–0.16)
 < 0.0001
 Other, non-Hispanic 0.28
(0.18–0.43)
0.50 0.27
(0.17–0.42)
0.35 0.27
(0.17–0.42)
0.38 0.27
(0.17–0.41)
0.36 0.27
(0.17–0.42)
0.38
PA level in past 7 days (ref = none)
 Sometimes/often 1.36
(0.89–2.08)
0.22 1.32
(0.86–2.02)
0.23 1.32
(0.86–2.01)
0.24 1.30
(0.85–2.00)
0.26 1.30
(0.85–1.99)
0.26
 Quite/very often 1.31
(0.84–2.06)
0.44 1.25
(0.79–1.97)
0.59 1.25
(0.80–1.97)
0.58 1.24
(0.79–1.95)
0.59 1.24
(0.79–1.96)
0.58
Self-rated weight (ref = very/a little under)
 Just right 0.76
(0.52–1.12)
0.005 0.74
(0.50–1.10)
0.004 0.75
(0.51–1.10)
0.004 0.73
(0.50–1.09)
0.004 0.74
(0.50–1.09)
0.004
 Little/very over 1.22
(0.80–1.87)
0.03 1.18
(0.77–1.82)
0.04 1.19
(0.78–1.83)
0.04 1.17
(0.76–1.81)
0.04 1.18
(0.77–1.82)
0.04
 Any tanning bed use (ref = no) 5.46
(2.03–14.64)
0.0008 5.23
(1.94–14.13)
0.001 5.36
(1.99–14.45)
0.0009 5.41
(2.00–14.71)
0.0009 5.45
(2.04–15.06)
0.0008
Sunscreen use (ref = never/rarely/sometimes)
 Often/always 1.00
(0.78–1.30)
0.99 1.00
(0.78–1.30)
0.98 1.01
(0.78–1.30)
0.95 1.00
(0.77–1.29)
0.99 1.00
(0.78–1.30)
0.98
 Intentional sun exposure (ref = never/rarely/sometimes)
 Often/always 1.78
(1.26–2.52)
0.001 1.81
(1.28–2.56)
0.0008 1.82
(1.29–2.57)
0.0007 1.79
(1.26–2.53)
0.001 1.79
(1.27–2.54)
0.001
 School neighborhood poverty (tertiles; linear trend) 0.97
(0.84–1.13)
0.71 0.97
(0.84–1.12)
0.67 0.96
(0.83–1.12)
0.61 0.97
(0.83–1.12)
0.65 0.96
(0.83–1.11)
0.60
 Longitude 0.99
(0.98–1.00)
0.04 0.99
(0.98–1.00)
0.02 0.99
(0.98–1.00)
0.18 0.99
(0.98–1.00)
0.15
 Latitude 1.03
(1.00–1.05)
0.06 1.02
(1.00–1.05)
0.11
 Academic year; Average daily EDR (tertiles; linear trend) 0.89
(0.76–1.05)
0.17 0.92
(0.78–1.08)
0.29
School tree cover (tertiles; linear trend) 0.91
(0.78–1.07)
0.25 0.90
(0.76–1.07)
0.21
  1. p-values are from Wald Chi-square tests
  2. Lat. latitude, long. longitude