Table 1.
Socioeconomic characteristics, prevalence of comorbidities, and risk of SARS-CoV-2 infection.
| Variables | First Wave (%) | 95% IC | Second wave (%) | 95% IC | Univariate analysisOR (95% IC) | P | Multivariate analysisOR (95% IC) | P |
|---|---|---|---|---|---|---|---|---|
| Total | 275 (39.1) | – | 284 (50.1) | – | – | |||
| Sex | ||||||||
| Female | 179 (65.1) | 59–70 | 183 (64.4) | 58–70 | (Ref) | |||
| Male | 96 (34.9) | 29–40 | 101 (35.6) | 30–41 | 0.96 (0.67–1.35) | 0.8009 | ||
| Age | ||||||||
| ≤18 | 18 (26.9) | 3–9 | 20 (50.0) | 4–10 | (Ref) | (Ref) | ||
| 19–29 | 55 (47.4) | 15–24 | 86 (96.6) | 24–35 | 0.72 (0.35–1.48) | 0.3784 | ||
| 30–39 | 29 (31.9) | 6–14 | 58 (33.7) | 15–25 | 0.55 (0.2–1.20) | 0.1383 | ||
| 40–49 | 48 (38.4) | 13–21 | 44 (42.7) | 11–19 | 1.21 (0.5–2.58) | 0.6183 | ||
| 50–59 | 55 (44.7) | 15–24 | 45 (60.8) | 16–20 | 1.38 (0.65–2.92) | 0.3958 | ||
| 60–69 | 37 (37.0) | 9–17 | 10 (21.7) | 1–5 | 4.11 (1.50–10.5) | 0.0033 | 6.41 (2.12–19.3) | 0.0009 |
| ≥70 | 30 (47.6) | 7–14 | 9 (75.0) | 1–5 | 3.58 (1.34–9.56) | 0.0109 | 3.68 (1.26–10.6) | 0.0166 |
| NI | 3 (15.8) | – | 12 (54.5) | – | ||||
| Education | ||||||||
| Illiterate | – | – | 02 (0.70) | – | – | * | ||
| Elementary school | 38 (13.8) | 9–17 | 23 (8.10) | 4–11 | 4.80 (2.53–9.11) | <0.0001 | 3.55 (1.56–8.03) | <0.0001 |
| High school | 110 (40.0) | 34–45 | 68 (23.9) | 19–28 | 4.58 (2.82–7.44) | <0.0001 | 3.44 (1.98–5.93) | <0.0001 |
| Undergraduate school | 89 (32.4) | 36–37 | 102 (35.9) | 30–41 | 3.04 (1.87–4.91) | <0.0001 | ||
| Graduate school | 38 (13.8) | 9–17 | 84 (29.6) | 24–34 | (Ref) | (Ref) | ||
| NI | 0 | – | 05 (1.76) | – | – | |||
| Skin color | ||||||||
| Yellow | 3 (1.1) | – | 07 (2.46) | 0–4 | 0.40 (0.10–1.65) | 0.2089 | ||
| White | 62 (22.5) | 17–27 | 60 (21.1) | 16–25 | (Ref) | |||
| Black | 36 (13.1) | 9–17 | 58 (20.4) | 15–25 | 0.59 (0.34–1.02) | 0.0590 | ||
| Brown | 173 (62.1) | 57–68 | 153 (53.9) | 48–59 | 0.70 (1.62–0.74) | 0.7473 | ||
| NI | 1 (0.4) | – | 06 (2.11) | – | ||||
| Income | ||||||||
| ≤ 1 or 2 | 135 (49.1) | 43–55 | 120 (42.3) | 36–48 | 1.22 (0.82–1.80) | 0.3216 | ||
| 3 or 4 | 53 (19.3) | 14–23 | 66 (23.2) | 18–28 | 0.86 (0.53–1.39) | 0.5490 | ||
| ≥5 | 79 (28.7) | 23–34 | 84 (29.6) | 24–34 | (Ref) | |||
| NI | 8 (2.9) | – | 14 (4.93) | – | ||||
| Comorbidity | ||||||||
| Diabetes | 22 (8.0) | 4–11 | 20 (7.04) | 4–10 | 1.15 (0.61–2.15) | 0.6678 | ||
| Asthma | 25 (9.1) | 5–12 | 23 (8.10) | 4–11 | 1.13 (0.62–2.05) | 0.6756 | ||
| Autoimmune disease | 5 (1.8) | – | 05 (1.76) | – | 1.03 (0.29–3.60) | 0.9590 | ||
| Cardiovascular disease | 11 (4.0) | 1–6 | 07 (2.46) | 0–4 | 1.81 (0.70–4.65) | 0.2215 | ||
| Hypertension | 68 (24.7) | 19–29 | 32 (11.3) | 7–14 | 2.64 (1.66–4.16) | <0.0001 | ||
| Obesity | 13 (4.7) | 2–7 | 10 (3.52) | 1–5 | 1.47 (0.64–3.87) | 0.3626 | ||
| Tuberculosis | 1 (0.4) | – | 0 (0.0) | – | – | |||
| None | 157 (57.1) | – | 176 (62.0) | – | (Ref) | |||
OR, odds ratio; NI, not informed; *, not significant.
Bold means the values are statiscally significant.