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Table 1 Association between sociodemographic, clinical, lifestyle and psychological characteristics with SARS-CoV-2 infection among HCW

From: A case–control study of factors associated with SARS-CoV-2 infection among healthcare workers in Colombia

Characteristics Negative RT-PCR n = 113 Positive RT-PCR n = 110 Unadjusted OR (95% CI) P value
Sociodemographic
Age, years 30 (26–34) 30 (27–34) 0.98 (0.95–1.02) 0.40
Gender, n (%)
Female, not taking hormonal contraceptives 82 (72.57) 57 (51.82) Ref.  
Female, taking hormonal contraceptives 11 (9.73) 16 (14.55) 2.09 (0.90–4.84) 0.08
Male 20 (17.70) 37 (33.64) 2.66 (1.40–5.04)  < 0.01
Socioeconomic stratum, n (%)
 Low (1–2) 37 (32.74) 31 (28.18)   
 Middle (3–4) 56 (49.56) 68 (61.82) 1.44 (0.80–2.63) 0.22
 High (≥ 5) 20 (17.70) 11 (10) 0.65 (0.27–1.57) 0.35
Race, n (%)
 White 37 (32.74) 31 (28.18) Ref.  
 Mestizo 63 (55.75) 62 (56.37) 1.17 (0.65–2.12) 0.59
 Afrocolombian 13 (11.50) 17 (15.45) 1.56 (0.66–3.71) 0.31
Highest educational level, n (%)
 Non-college education 50 (44.25) 62 (56.36) Ref.  
 College graduate 40 (35.39) 36 (32.73) 0.72 (0.40–1.30) 0.28
 Postgraduate education 23 (20.35) 12 (10.91) 0.42 (0.19–0.93) 0.03
Marital status, n (%)
 Married or in common law 41 (36.28) 45 (40.91) Ref.  
 Single or Divorced 72 (63.72) 65 (59.09) 0.82 (0.48–1.41) 0.48
Number of members in household, n (%)
  ≤ 1 24 (21.24) 37(33.64) Ref.  
  > 2 89 (78.76) 73 (66.36) 0.53 (0.29–0.97) 0.04
 Epidemiological weeks, weeks 27 (25–28) 27 (26–28) 1.11 (0.95–1.30) 0.18
Clinical, Life Style and Psychological risk factors
Obesity, n (%)
 Not overweight nor obese 53 (47.75) 44 (40.37) Ref.  
 Overweight 41 (36.94) 49 (44.95) 1.44 (0.81–2.56) 0.22
 Obese 17 (15.32) 16 (14.68) 1.13 (0.51–2.50) 0.76
Chronic disease, n (%)
 No 100 (88.50) 95 (86.36) Ref.  
 Yes (HBP, DM, Asthma Hypothyroidism) 13 (11.50) 15 (13.64) 1.21 (0.54–2.68) 0.63
Medication intake, n (%)
 Vitamins or supplements (yes) 20 (26.55) 20 (18.88) 0.61 (0.32–1.16) 0.14
 Chloroquine or Ivermectin (yes) 14 (12.39) 7 (6.36) 0.48 (0.19–1.24) 0.13
Smoking habit, n (%)
 No 92 (81.42) 85 (77.27) Ref.  
 Former or current smoker 21 (18.58) 25 (22.73) 1.28 (0.67–2.47) 0.44
Alcohol intake, n (%)
 Never 32 (28.32) 44 (40) Ref.  
 Monthly intake 71 (62.83) 57 (51.82) 0.58 (0.33–1.04) 0.07
 Weekly intake 10 (8.85) 9 (8.18) 0.65 (0.24–1.79) 0.41
Feeling scared or nervous, n (%)
 Never 41 (36.28) 57 (51.82) Ref.  
 Anytime 72 (63.72) 53 (48.18) 0.53 (0.31–0.90) 0.02
Insomnia, n (%)
 Never 49 (43.36) 52 (47.27) Ref.  
 Anytime 64 (56.64) 58 (52.73) 0.85 (0.50–1.45) 0.56
  1. HBP High Blood Pressure, DM Diabetes Mellitus