Table 3 Pulse wave velocity (m/s) in 2015–2018 according to repeated exposure to long working hours at baseline (T1: 1991–1993) and at first follow-up (T2: 1999–2001)
From: Long working hours at midlife and arterial stiffness at older age in a 24-year prospective cohort
Repeated exposure to long working hours (> 40 h/week) | N | Pulse Wave Velocity, m/s (95% CI) | |||
|---|---|---|---|---|---|
Crude Model | Adjusted Model 1 | Adjusted Model 2 | |||
Total (n = 1,629) | Never exposed at T1 nor T2 (ref) | 1444 | 8.06 m/s | 8.11 m/s | 8.11 m/s |
Exposed once, at T1 or T2 | 139 | + 0.21 (-0.08; +0.50) | -0.13 (-0.39; +0.14) | -0.16 (-0.42; +0.11) | |
Exposed at both T1 and T2 | 46 | + 0.95 (+ 0.46, + 1.43) | + 0.25 (-0.20, + 0.70) | + 0.22 (-0.22, + 0.67) | |
Actively employed workers at T3 (2015-18) (n = 533) | Never exposed at T1 nor T2 (ref) | 476 | 7.64 m/s | 7.67 m/s | 7.67 m/s |
Exposed once, at T1 or T2 | 44 | -0.14 (-0.55; +0.27) | -0.37 (-0.76; +0.03) | -0.38 (-0.78; +0.01) | |
Exposed at both T1 and T2 | 13 | + 2.07 (+ 1.35, 2.80) | + 1.46 (+ 0.75; +2.17) | + 1.50 (+ 0.78, + 2.21) | |
Inactive participants at T3 (2015-18) (n = 1,096) | Never exposed at T1 nor T2 (ref) | 968 | 8.27 m/s | 8.33 m/s | 8.33 m/s |
Exposed once, at T1 or T2 | 95 | + 0.36 (-0.01; +0.73) | -0.02 (-0.36; +0.32) | -0.06 (-0.39; +0.28) | |
Exposed at both T1 and T2 | 33 | + 0.46 (-0.14, + 1.06) | -0.23 (-0.79, 0.34) | -0.28 (-0.84, + 0.28) | |