Table 1. General sample description.
| Sick (n=151) | Healthy (n=174) | p-value | ||
|---|---|---|---|---|
| Age, mean (SD) | 44.77 (13.82) | 46.72 (15.05) | t = 1.21; df = 323 | 0.23* |
| Sex | χ2 = 3.36; df = 1 | 0.67† | ||
| Women | 74 (49.00) | 104 (59.77) | ||
| Men | 77 (51.00) | 70 (40.22) | ||
| Ethnicity | χ2 = 0.14; df = 1 | 0.91† | ||
| Caucasian | 118 (79.19) | 139 (80.34) | ||
| Non-Caucasian | 31 (20.80) | 34 (19.65) | ||
| Marital status | χ2 = 5.2; df = 1 | 0.023† | ||
| Single | 78 (52.00) | 67 (38.72) | ||
| Married | 72 (48.00) | 106 (61.27) | ||
| Education | χ2 = 5.6; df = 2 | 0.65‡ | ||
| Primary | 68 (47.22) | 77 (45.03) | ||
| Secondary | 58 (40.28) | 56 (32.75) | ||
| Higher | 18 (13.50) | 38 (22.22) | ||
| Socioeconomic class§ | χ2 = 17.76; df = 7 | 0.013‡ | ||
| A1 | 1 (0.66) | 1 (0.59) | ||
| A2 | 6 (4.00) | 8 (4.68) | ||
| B1 | 9 (6.00) | 27 (15.79) | ||
| B2 | 31 (20.67) | 50 (29.23) | ||
| C1 | 54 (36.00) | 54 (31.58) | ||
| C2 | 31 (20.67) | 23 (13.45) | ||
| D-E | 18 (12.00) | 8 (4.68) | ||
| Depressed | 38 (44.70) | 47 (55.29) | χ2 = 0.07; df = 1 | 0.79† |
| Anxious | 60 (46.15) | 70 (53.84) | χ2 = 0.00; df = 1 | 1† |
Data presented as n (%), unless otherwise specified.
df = degree of freedom; SD = standard deviation; χ2 = chi-square.
*
t-test for independent samples.
†
Chi-square Pearson test; ‡ chi-square test with Yates continuity correction.
§
Brazilian Market Research Association economic classification criteria, 2006.