Table 1 Baseline characteristics of exposed and unexposed subjects in full sample and propensity score matched sample
Variable | Full sample (N = 19,152) | P-value | Propensity score matched sample (N = 3216) | P-value | ||||
|---|---|---|---|---|---|---|---|---|
Exposed (N = 1609) %(N) | Unexposed (N = 17,543) %(N) | Standardized difference (%) | Exposed (N = 1608) %(N) | Unexposed (N = 1608) %(N) | Standardized Difference (%) | |||
Female | 65.2(1049) | 55.5(9739) | 19.9 | < 0.001 | 65.2(1048) | 67.4(1083) | 4.6 | 0.19 |
Age group | 10.1 | 0.01 | 3.9 | 0.88 | ||||
≤ 35 | 7.6(122) | 8.7(1530) | 7.6(122) | 6.9(111) | ||||
36–45 | 21.5(346) | 21.4(3747) | 21.5(345) | 21.6(348) | ||||
46–55 | 33.4(538) | 31.5(5522) | 33.5(538) | 34.2(550) | ||||
56–65 | 34.4(553) | 33.6(5900) | 34.4(553) | 34.6(556) | ||||
> 65 | 3.1(50) | 4.8(844) | 3.1(50) | 2.7(43) | ||||
Born in Sweden | 89.8(1445) | 93.8(16,449) | 14.4 | < 0.001 | 89.8(1444) | 91.0(1463) | 4.0 | 0.26 |
Married/cohabiting | 70.8(1139) | 80.3(14,095) | 22.4 | < 0.001 | 70.8(1139) | 72.1(1160) | 2.9 | 0.41 |
Cohabiting with children | 47.2(760) | 48.0(8426) | 1.6 | 0.54 | 47.3(760) | 48.0(772) | 1.5 | 0.67 |
Socioeconomic position | 14.0 | < 0.001 | 2.1 | 0.99 | ||||
Unskilled worker | 18.5(297) | 14.4(2521) | 18.4(296) | 18.8(303) | ||||
Skilled worker | 17.2(277) | 15.9(2795) | 17.2(277) | 16.7(269) | ||||
Assistant non-manual employee | 14.0(225) | 13.5(2360) | 14.0(225) | 13.6(218) | ||||
Intermediate non-manual employee | 30.8(496) | 32.9(5772) | 30.9(496) | 31.2(501) | ||||
Professional/upper level executive and self-employeda | 19.5(314) | 23.3(4095) | 19.5(314) | 19.7(317) | ||||
Permanent position | 98.6(1587) | 97.8(17,162) | 6.1 | 0.03 | 98.6(1586) | 98.6(1586) | < 0.1 | 0.99 |
Job demands, mean (SD) (range 1–5) | 2.9(0.5) | 2.6(0.6) | 54.1 | < 0.001 | 2.9(0.5) | 2.9(0.5) | 1.2 | 0.74 |
Decision authorithy, mean (SD) (range 1–5) | 2.8(0.8) | 3.1(0.7) | 34.2 | < 0.001 | 2.9(0.8) | 2.8(0.8) | 1.5 | 0.66 |
LTSA-CMD prior to baseline | 20.6(332) | 11.0(1936) | 26.5 | < 0.001 | 20.6(331) | 19.5(314) | 2.6 | 0.45 |
Baseline year | 1.3 | 0.88 | 3.3 | 0.64 | ||||
2012 | 36.7(591) | 36.1(6338) | 36.7(590) | 37.9(609) | ||||
2014 | 50.8(818) | 51.2(8983) | 50.9(818) | 50.6(814) | ||||
2016 | 12.4(200) | 12.7(2222) | 12.4(200) | 11.5(185) | ||||