Total Sample, n = 2524 | Sample 1, n = 1247 | Sample 2, n = 1235 | Statistics Comparison, Sample 1 vs 2 | |
---|---|---|---|---|
Sex, n (%) | ||||
Female | 1320 (52.3) | 658 (52.8) | 638 (51.7) | Chi-square2 = 0.3 NS |
Male | 1204 (47.7) | 589 (47.2) | 597 (48.3) | |
Age, yrs, n (%) | ||||
mean (SD) | 48.9 (18.3) | 48.8 (18.3) | 49.0 (18.3) | NS |
< 20 | 195 (7.7) | 99 (7.9) | 93 (7.5) | |
21–40 | 665 (26.4) | 328 (26.3) | 329 (26.6) | Chi-square = 0.2 NS |
41–60 | 910 (36.1) | 449 (36.0) | 448 (36.3) | |
> 60 | 754 (29.9) | 371 (29.8) | 365 (29.6) | |
Family status, n (%) | ||||
Single | 606 (24.0) | 305 (24.5) | 291 (23.6) | |
Married/living together | 1313 (62.0) | 641 (51.4) | 651 (52.7) | Chi-square = 0.5 NS |
Separated/divorced/widowed | 605 (24.0) | 301 (24.1) | 293 (23.7) | |
Education, n (%) | ||||
Primary or secondary school | 2189 (86.7) | 1078 (86.4) | 1079 (87.4) | Chi-square = 0.5 NS |
High school or higher | 335 (13.3) | 169 (13.6) | 156 (12.6) | |
Lifetime professional status, n (%) | ||||
Never worked | 34 (1.5) | 15 (1.3) | 18 (1.6) | |
Worker | 855 (37.1) | 406 (36.0) | 432 (38.0) | Chi-square = 1.8 NS |
Employee/clerk | 1273 (55.3) | 640 (56.6) | 615 (54.2) | |
Self-employed | 139 (6.1) | 68 (6.0) | 70 (6.1) | |
Family net income per month, Euros, n (%) | ||||
< 1250 | 559 (23.3) | 289 (24.2) | 262 (22.3) | Chi-square = 1.3 NS |
1250–2500 | 1243 (51.7) | 614 (51.4) | 615 (52.3) | |
> 2500 | 602 (25.0) | 291 (24.4) | 299 (25.4) | |
Social class index | ||||
Lower | 309 (14.1) | 147 (13.5) | 158 (14.6) | Chi-square = 0.8 NS |
Middle | 1464 (66.7) | 733 (67.6) | 712 (65.9) | |
Upper | 423 (19.3) | 205 (18.9) | 210 (19.4) | |
Social support (OSS-3), mean (SD) | 10.2 (2.3) | 10.2 (2.3) | 10.2 (2.2) | NS |
Somatic symptom intensity PHQ-15, mean (SD) | 3.4 (3.7) | 3.4 (3.6) | 3.3 (3.8) | NS |
Depressed mood PHQ-9 | ||||
Probable major depressive syndrome, n (%) | 53 (2.1) | 26 (2.1) | 23 (1.9) | Chi-square = 0.2 NS |
Probable other depressive syndrome, n (%) | 72 (2.9) | 40 (3.2) | 30 (2.4) | Chi-square = 1.4 NS |
Depressive symptoms count, mean (SD) | 2.8 (3.5) | 2.7 (3.4) | 2.8 (3.5) | NS |
Health related quality of life (SF-12) | ||||
Mental summary scale, mean (SD) | 55.4 (8.4) | 55.5 (8.1) | 55.4 (8.5) | NS |
Physical summary scale, mean (SD) | 51.6 (8.0) | 51.3 (8.1) | 51.8 (7.8) | NS |
OSS-3: Oslo Support Scale; PHQ: Patient Health Questionnaire; SF-12: Short Form Health Survey; VAS: visual analog scale.