Table 2

Labour force participation (LFP) and 95% confidence intervals (CI) among 1056 patients with RA compared with reference data from the general Dutch population20

Highest educational level Age category (years) LFP rate of men with
RA (95% CI)
LFP rate of general
male population
LFP rate of women
with RA (95% CI)
LFP rate of general
female population
Overall (crude)All56.7 (51.8 to 61.7)27.7 (24.3 to 31.2)
Overall (standardised)All74.3 (64.3 to 84.3)81.047.6 (43.2 to 52.1)50.1
Primary school20–29  0 66.3 22.2 (0.0 to 49.1)26.6
30–3977.8 (50.9 to 100)71.620.0 (6.5 to 33.5)27.4
40–49 55.2 (45.2 to 65.0) 70.4 23.9 (16.6 to 31.2)28.7
50–59 33.7 (28.2 to 39.2) 55.1 12.4 (8.3 to 16.5)16.5
Secondary school20–2975.0 (32.7 to 100)76.278.8 (65.3 to 92.3)65.7
30–3984.2 (68.3 to 100)92.045.2 (36.2 to 54.2)50.2
40–4985.5 (77.3 to 93.7)90.046.3 (37.9 to 54.7)47.6
50–59 59.3 (51.0 to 67.5) 71.1 12.4 (5.7 to 19.1) 27.7
High vocational colleges/university20–2950.0 (0.0 to 100)71.166.7 (29.9 to 100)68.6
30–39 80.0 (45.1 to 100)94.075.0 (59.5 to 90.5)78.9
40–4989.5 (76.7 to 100)92.6 54.8 (40.9 to 68.7) 72.1
50–5978.8 (67.6 to 90.0)81.7 34.6 (16.4 to 52.8) 54.9