| N | All patients (n = 78) | Controls1 (n = 39) | Cases1 (n = 39) | p value2 |
---|---|---|---|---|---|
Age, median (IQR), years | 78 | 37 (27–51) | 40 (28–56) | 37 (25–50) | 0.47 |
Men, n (%) | 78 | 39 (50.0) | 19 (48.7) | 20 (51.3) | 0.82 |
Smoking at baseline, n (%) | 74 | 37 (50.0) | 23 (63.9) | 14 (36.8) | 0.02 |
Diagnosis, n (%) | 78 | Â | Â | Â | Â |
 Psychotic disorders |  | 35 (44.9) | 17 (43.6) | 18 (46.2) | 0.82 |
 Schizoaffective disorders |  | 9 (11.5) | 5 (12.8) | 4 (10.3) | 0.72 |
 Bipolar disorders |  | 18 (23.1) | 12 (30.8) | 6 (15.4) | 0.11 |
 Depressive disorders |  | 6 (7.7) | 2 (5.1) | 4 (10.3) | 0.4 |
 Organic disorders |  | 3 (3.9) | 1 (2.6) | 2 (5.1) | 0.56 |
 Other |  | 6 (7.7) | 2 (5.1) | 4 (10.3) | 0.4 |
 Not available |  | 1 (1.3) | 0 | 1 (2.6) | 0.31 |
Psychiatric illness duration, median (IQR), years | 65 | 6 (2–11) | 8 (2–13) | 6 (2–10) | 0.42 |
Medication, n (%) | 78 | Â | Â | Â | Â |
 Amisulpride |  | 3 (3.9) | 0 | 3 (7.7) | 0.08 |
 Aripiprazole |  | 9 (11.5) | 5 (12.8) | 4 (10.3) | 0.72 |
 Clozapine |  | 4 (5.1) | 2 (5.1) | 2 (5.1) | 1 |
 Lithium |  | 8 (10.3) | 5 (12.8) | 3 (7.7) | 0.46 |
 Mirtazapine |  | 3 (3.9) | 2 (5.1) | 1 (2.6) | 0.56 |
 Olanzapine |  | 19 (24.4) | 8 (20.5) | 11 (28.2) | 0.43 |
 Quetiapine |  | 23 (29.5) | 13 (33.3) | 10 (25.6) | 0.46 |
 Risperidone |  | 8 (10.3) | 3 (7.7) | 5 (12.8) | 0.46 |
 Valproate |  | 1 (1.3) | 1 (2.6) | 0 | 0.31 |
Medication groups, n (%)3 | 78 | Â | Â | Â | Â |
 Low propensity for WG |  | 12 (15.4) | 5 (12.8) | 7 (18.0) | 0.53 |
 Moderate propensity for WG |  | 42 (53.9) | 23 (59.0) | 19 (48.7) | 0.36 |
 High propensity for WG |  | 24 (30.8) | 11 (28.2) | 13 (33.3) | 0.62 |
Baseline BMI, median (IQR), kg/m2 | 77 | 22.3 (19.8–25.6) | 23.5 (21.3–26.4) | 21.9 (18.6–25.4) | 0.1 |
BMI at first month, median (IQR), kg/m2 | 77 | 23.8 (21.2–26.7) | 23.7 (21.6–26.7) | 23.9 (20.6–27.0) | 0.94 |
Overweight prevalence (BMI ≥ 25 < 30 kg/m2), n(%) | 77 |  |  |  |  |
 Baseline |  | 24 (31.2) | 14 (36.8) | 10 (25.6) | 0.29 |
 First month |  | 28 (36.4) | 14 (36.8) | 14 (35.9) | 0.93 |
 p value4 |  | 0.04 | 1 | 0.04 |  |
Obesity prevalence (BMI ≥ 30 kg/m2), n (%) | 77 |  |  |  |  |
 Baseline |  | 7 (9.1) | 4 (10.5) | 3 (7.7) | 0.67 |
 First month |  | 9 (11.7) | 4 (10.5) | 5 (12.8) | 0.75 |
 p value4 |  | 0.16 | 1 | 0.16 |  |
WG, median (IQR), % | 78 | 3.8 (0–7.7) | 0 (0–1.4) | 7.7 (5.8–10.9) | < 0.0001 |