Age at baseline†, mean years (SD), range: 18–32 | 26.1 (3.6) | 26.6 (3.4) | 25.5 (3.6) | 26.4 (3.5) | <0.001 |
Unemployed/not working due to illness or disability in the last year‡, % (n) | 5.9 (317) | 10.5 (109) | 14.5 (23) | 10.5 (12) | <0.001 |
Uninsured (lacked health insurance) in the last year‡, % (n) | 3.9 (208) | 5.7 (59) | 13.8 (22) | 4.4 (5) | <0.001 |
Lacked a routine physical exam in the last year‡, % (n) | 32.0 (1712) | 36.1 (374) | 40.3 (64) | 37.7 (43) | 0.01 |
HRQL§ dimensions, % (n) | | | | | |
Mobility ≥slight problems | 3.2 (172) | 5.6 (58) | 13.2 (21) | 10.5 (12) | <0.001 |
Self-care ≥slight problems | 0.5 (28) | 1.3 (13) | 4.4 (7) | 1.8 (2) | <0.001 |
Usual activities ≥slight problems | 5.0 (267) | 12.3 (127) | 20.1 (32) | 16.7 (19) | <0.001 |
Pain/discomfort ≥slight problems | 26.5 (1418) | 36.8 (382) | 42.1 (67) | 44.7 (51) | <0.001 |
Anxiety/depression ≥moderate problems | 12.3 (658) | 22.6 (234) | 36.5 (58) | 29.0 (33) | <0.001 |
HRQL index score¶, mean (SD) | 0.91 (0.09) | 0.87 (0.09) | 0.84 (0.11) | 0.85 (0.10) | <0.001 |
Less than full health (HRQL index score <1) | 54.6 (2924) | 73.3 (760) | 84.3 (134) | 79.0 (90) | <0.001 |
HRQL index score among those with less than full health, mean (SD) | 0.84 (0.06) | 0.83 (0.06) | 0.80 (0.09) | 0.81 (0.08) | <0.001 |