Table 1 Sample information, prevalence ratios and odds ratios of consent to cell line creation

Total sample

1520 (100%)

648 (42.6%)

Absence/presence of schizophrenia diagnosis

Controls

760 (50%)

340 (44.7%)

1.210

0.959–1.527

Cases

760 (50%)

308 (40.5%)

Sex:

Female

184 (12.1%)

84 (45.7%)

1.166

0.822–1.655

Male

1336 (87.9%)

564 (42.2%)

Age:

40–59

532 (35%)

252 (47.4%)

1.308*

1.020-1.676

20–39

988 (65%)

396 (40.1%)

Education level:

Secondary (≥Grade 8)

1130 (74.3%)

485 (42.9%)

1.041

0.791–1.370

Primary (≤Grade 7)

390 (25.7%)

163 (41.8%)

Recruitment region:

Eastern Cape

878 (57.8%)

408 (46.5%)

1.597**

1.257-2.027

Western Cape

642 (42.2%)

240 (37.4%)

HIV status

Reactive

185 (12.2%)

102 (55.1%)

1.306

0.912–1.871

Non-reactive

1335 (87.8%)

546 (40.9%)

A

308 (20.3%)

230 (74.7%)

12.587**

8.815–17.972

B

437 (28.8%)

229 (52.4%)

4.802**

3.530–6.532

C

207 (13.6%)

74 (35.7%)

2.567**

1.754–3.757

D

130 8.6%)

29 (22.3%)

1.199

0.739–1.944

E (reference nurse)

438 (28.8%)

86 (19.6%)