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. 2015 Jun 10;10(6):e0128834. doi: 10.1371/journal.pone.0128834

Table 3. Intelligence and relative risks of disability pension 1971–2009 and 1986–2009, hazard ratios (HRs) and 95% confidence intervals (CIs) associated with one point decrease on the stanine intelligence scale.

Men Women
Stanine (per step decrease) All-cause n = 1238 Psychiatric non substance n = 371 Substance n = 77 Musculo-skeletal n = 376 CVD n = 99 All-cause n = 2031 Psychiatric nonsubstance n = 579 Substance n = 21 Musculo-skeletal n = 831 CVD n = 72
HR HR HR HR HR HR HR HR HR HR
[95% CI] [95% CI] [95% CI] [95% CI] [95% CI] [95% CI] [95% CI] [95% CI] [95% CI] [95% CI]
Model 1 a 1.20 1.13 1.25 1.30 1.16 1.15 1.08 1.17 1.23 1.16
[1.17–1.24] [1.07–1.20] [1.11–1.40] [1.23–1.37] [1.05–1.28] [1.13–1.18] [1.04–1.13] [0.93–1.47] [1.19–1.28] [1.02–1.314]
Model 2 b 1.18 1.15 1.22 1.23 1.13 1.12 1.09 1.13 1.16 1.15
[1.14–1.22] [1.08–1.22] [1.07–1.38] [1.17–1.31] [1.01–1.25] [1.09–1.15] [1.04–1.14] [0.88–1.44] [1.11–1.21] [1.00–1.31]
All n = 1124 Psychiatric non substance n = 241 Substance n = 66 Musculo-skeletal n = 367 CVD n = 99 All n = 1878 Psychiatric non substance n = 493 Substance n = 16 Musculo- skeletal n = 802 CVD n = 66
HR HR HR HR HR HR HR HR HR HR
[95% CI] [95% CI] [95% CI] [95% CI] [95% CI] [95% CI] [95% CI] [95% CI] [95% CI] [95% CI]
Alive 1986
Model 1 a 1.20 1.08 1.22 1.29 1.16 1.15 1.07 1.15 1.22 1.15
[1.16–1.23] [1.01–1.15] [1.08–1.38] [1.22–1.36] [1.05–1.28] [1.12–1.17] [1.02–1.12] [0.88–1.50] [1.18–1.27] [1.01–1.31]
Model 2 b 1.17 1.09 1.19 1.22 1.13 1.11 1.07 1.13 1.15 1.13
[1.13–1.21] [1.01–1.17] [1.04–1.36] [1.15–1.29] [1.01–1.25] [1.08–1.14] [1.02–1.13] [0.85–1.50] [1.11–1.20] [0.98–1.30]
Model 3 c 1.12 1.06 1.11 1.15 1.07 1.08 1.02 1.10 1.11 1.12
[1.08–1.16] [0.98–1.16] [0.91–1.35] [1.09–1.22] [0.95–1.21] [1.05–1.11] [0.96–1.09] [0.70–1.73] [1.06–1.15] [0.96–1.31]

aAdjusted for cohort.

bAdjusted for cohort, father’s education, and school plans.

cAdjusted for cohort, father’s education, school plans, and education.