Table 1.
Clinical and demographic characteristics of the study population at baseline.
| Total | Schedule 0–14 | Schedule 0–28 | p Value (a) | |
|---|---|---|---|---|
| (n = 2302) | (n = 1090) | (n = 1212) | ||
| Age; n (%) | 0.001 | |||
| 18–59 | 1616 (70.2) | 800 (73.4) | 816 (67.3) | |
| 60–98 | 686 (29.8) | 290 (26.6) | 396 (32.7) | |
| Sex; n (%) | 0.015 | |||
| Female | 1212 (52.6) | 603 (55.3) | 609 (50.2) | |
| BMI; mean ± SD | 26.9 ± 4.5 | 26.6 ± 4.4 | 27.1 ± 4.6 | 0.003 |
| Ethnicity; n (%) | 0.128 | |||
| Hispanic or Latino | 2294 (99.7) | 1083 (99.4) | 1211 (99.9) | |
| Chilean native | 4 (0.2) | 3 (0.3) | 1 (0.1) | |
| Asian | 3 (0.1) | 3 (0.3) | 0 (0.0) | |
| Black | 1 (0.0) | 1 (0.1) | 0 (0.0) | |
| Health workers; n (%) | <0.001 | |||
| Yes | 759 (33.0) | 459 (42.1) | 300 (24.8) | |
| Comorbidities; n (%) | ||||
| ≥1 | 1042 (45.3) | 487 (44.7) | 555 (45.8) | 0.580 |
| Comorbidities; n (%) | ||||
| Cardiovascular disease | 34 (1.5) | 14 (1.3) | 20 (1.7) | 0.468 |
| Asthma and COPD * | 148 (6.4) | 83 (7.6) | 65 (5.4) | 0.028 |
| Diabetes | 117 (5.1) | 44 (4.0) | 73 (6.0) | 0.030 |
| Insulin resistance | 180 (7.8) | 85 (7.8) | 95 (7.8) | 0.967 |
| Hypothyroidism | 248 (10.8) | 135 (12.4) | 113 (9.3) | 0.018 |
| Arterial hypertension | 415 (18.0) | 174 (16.0) | 241 (19.9) | 0.015 |
| Allergic rhinitis | 300 (13.0) | 137 (12.6) | 163 (13.4) | 0.531 |
| Thyroid disease | 251 (10.9) | 136 (12.5) | 115 (9.5) | 0.022 |
| Obesity | 478 (20.8) | 205 (18.8) | 273 (22.5) | 0.028 |
| Dyslipidaemia | 43 (1.9) | 18 (1.7) | 25 (2.1) | 0.467 |
Boldp-values were considered statistically significant. * COPD: Chronic obstructive pulmonary disease.