Table:
Variable	Mean ± SD	N (%)
Cluster 1 (social-demographic)
Age (years)	31.4 ± 9.2
16-25	125 (8.7)
26-35	564 (39.2)
36-45	398 (27.7)
≥46	351 (24.4)
Marital status, married (yes)	997 (69.3)
Medical insurance (yes)	1211 (84.2)
Education
Primary school or lower	290 (20.2)
Middle school	846 (58.8)
High school or above	302 (21.0)
Duration of employment (years)	2.2 ± 3.0
<5.0	1273 (88.5)
5.0 ~ 9.9	111 (7.7)
≥10.0	54 (3.8)
Cluster 2 (health-related)
Recent-month self-reported morbidity	973 (67.7)
Body mass index (BMI)	22.4 ± 3.4
<18.5 (Underweight)	139 (9.7)
18.5-23.9 (Normal weight)	932 (64.8)
24.0-27.9 (Overweight)	262 (18.2)
≥28.0 (Obese)	105 (7.3)
Chronic diseases
0	1318 (91.7)
1 or more	120 (8.3)
Cluster 3 (HRQOL domain scores)
Physical functioning (PF)	93.8 ± 10.9
Role physical (RP)	85.9 ± 25.6
Bodily pain (BP)	85.1 ± 16.6
General health (GH)	70.6 ± 18.5
Vitality (VT)	71.4 ± 18.0
Social functioning (SF)	89.9 ± 14.2
Role-emotional (RE)	82.0 ± 28.1
Mental health (MH)	78.4 ± 15.2
Outcomes
Recent 2-week physician visit
0	1319 (91.7)
1 or more	119 (8.3)
Hospitalization in the last year	88 (6.1)
0	1350 (93.9)
1 or more	88 (6.1)

Transform the picture into Markdown format.

| Variable | Mean ± SD | N (%) | 
 | --- | --- | --- | 
 | Cluster 1 (social-demographic) |  |  | 
 | Age (years) | 31.4 ± 9.2 |  | 
 | 16-25 |  | 125 (8.7) | 
 | 26-35 |  | 564 (39.2) | 
 | 36-45 |  | 398 (27.7) | 
 | ≥46 |  | 351 (24.4) | 
 | Marital status, married (yes) |  | 997 (69.3) | 
 | Medical insurance (yes) |  | 1211 (84.2) | 
 | Education |  |  | 
 | Primary school or lower |  | 290 (20.2) | 
 | Middle school |  | 846 (58.8) | 
 | High school or above |  | 302 (21.0) | 
 | Duration of employment (years) | 2.2 ± 3.0 |  | 
 | <5.0 |  | 1273 (88.5) | 
 | 5.0 ~ 9.9 |  | 111 (7.7) | 
 | ≥10.0 |  | 54 (3.8) | 
 | Cluster 2 (health-related) |  |  | 
 | Recent-month self-reported morbidity |  | 973 (67.7) | 
 | Body mass index (BMI) | 22.4 ± 3.4 |  | 
 | <18.5 (Underweight) |  | 139 (9.7) | 
 | 18.5-23.9 (Normal weight) |  | 932 (64.8) | 
 | 24.0-27.9 (Overweight) |  | 262 (18.2) | 
 | ≥28.0 (Obese) |  | 105 (7.3) | 
 | Chronic diseases |  |  | 
 | 0 |  | 1318 (91.7) | 
 | 1 or more |  | 120 (8.3) | 
 | Cluster 3 (HRQOL domain scores) |  |  | 
 | Physical functioning (PF) | 93.8 ± 10.9 |  | 
 | Role physical (RP) | 85.9 ± 25.6 |  | 
 | Bodily pain (BP) | 85.1 ± 16.6 |  | 
 | General health (GH) | 70.6 ± 18.5 |  | 
 | Vitality (VT) | 71.4 ± 18.0 |  | 
 | Social functioning (SF) | 89.9 ± 14.2 |  | 
 | Role-emotional (RE) | 82.0 ± 28.1 |  | 
 | Mental health (MH) | 78.4 ± 15.2 |  | 
 | Outcomes |  |  | 
 | Recent 2-week physician visit |  |  | 
 | 0 |  | 1319 (91.7) | 
 | 1 or more |  | 119 (8.3) | 
 | Hospitalization in the last year |  | 88 (6.1) | 
 | 0 |  | 1350 (93.9) | 
 | 1 or more |  | 88 (6.1) |