Table 5 Period prevalence of SARS-CoV2 by sociodemographic, lifestyle and clinical characteristics
From: Epidemiology of SARS-CoV2 in Qatar’s primary care population aged 10 years and above
Total tested | Positive results | Period prevalence | |
|---|---|---|---|
N | N | % (95% CI) | |
Highest education level | |||
Never attended school | 19 | 3 | 15.8 (4.7–36.4) |
School | 762 | 102 | 13.4 (11.1–15.9) |
Technical or trade qualification | 78 | 16 | 20.5 (12.7–30.4) |
University | 1174 | 176 | 15 (13–17.1) |
Employment status | |||
Employed | 1239 | 201 | 16.2 (14.2–18.4) |
Unemployed | 291 | 47 | 16.2 (12.3–20.7) |
Student | 417 | 38 | 9.1 (6.6–12.2) |
Retired | 45 | 3 | 6.7 (1.9–16.7) |
Household crowding index ¥ | |||
≤ 1 | 867 | 116 | 13.4 (11.2–15.8) |
1.1–2 | 958 | 139 | 14.5 (12.4–16.8) |
> 2 | 204 | 42 | 20.6 (15.5–26.5) |
BMI (kg/m2) | |||
Healthy (18.5–24.9) | 620 | 75 | 12.1 (9.7–14.8) |
Underweight (< 18.5) | 28 | 1 | 3.6 (0.4–15.5) |
Overweight (25 to 29.9) | 742 | 122 | 16.4 (13.9–19.2) |
Obese (≥ 30.0) | 633 | 98 | 15.5 (12.8–18.5) |
Smoking status | |||
Non-smoker | 1597 | 237 | 14.8 (13.2–16.6) |
Ex- smoker | 137 | 24 | 17.5 (11.9–24.5) |
Current smoker | 285 | 35 | 12.3 (8.9–16.5) |
Current smoking index ◊ | |||
Lowest trecile | 94 | 19 | 20.2 (13.1–29.2) |
Intermediary trecile | 87 | 7 | 8 (3.7–15.1) |
Third trecile | 88 | 9 | 10.2 (5.2–17.8) |
Physical activity | |||
0 min/week | 928 | 129 | 13.9 (11.8–16.2) |
1–150 min/week | 431 | 72 | 16.7 (13.4–20.4) |
150–300 min/week | 386 | 54 | 14 (10.8–17.7) |
> 300 min/week | 285 | 42 | 14.7 (11–19.2) |
Fruit consumption | |||
Less than once a week | 137 | 12 | 8.8 (4.9–14.4) |
2–7 times a week | 705 | 95 | 13.5 (11.1–16.1) |
Once or more than once a day | 1187 | 190 | 16 (14–18.2) |
Vegetable or salad consumption | |||
Less than once a week | 105 | 6 | 5.7 (2.4–11.4) |
2–7 times a week | 632 | 97 | 15.3 (12.7–18.3) |
Once or more than once a day | 1292 | 194 | 15 (13.1–17) |
Fruit juice consumption | |||
Less than once a week | 669 | 106 | 15.8 (13.2–18.8) |
2–7 times a week | 828 | 123 | 14.9 (12.6–17.4) |
Once or more than once a day | 426 | 55 | 12.9 (10–16.3) |
BGC vaccination | |||
No | 121 | 18 | 14.9 (9.4–22) |
Yes | 1838 | 264 | 14.4 (12.8–16) |
Seasonal influenza vaccination in previous 12 months | |||
No | 1579 | 228 | 14.4 (12.8–16.2) |
Yes | 411 | 65 | 15.8 (12.5–19.6) |
History of chronic conditions | |||
0 | 1485 | 203 | 13.7 (12–15.5) |
1 | 367 | 61 | 16.6 (13.1–20.7) |
2 | 132 | 21 | 15.9 (10.4–22.9) |
3 or more | 49 | 12 | 24.5 (14.1–37.8) |
COVID-19 symptoms since start of pandemic ∞ | |||
Asymptomatic | 1684 | 195 | 11.6 (10.1–13.2) |
Paucisymptomatic | 226 | 52 | 23 (17.9–28.8) |
Symptomatic | 123 | 50 | 40.7 (32.3–49.5) |
Previous close contact with an individual suspected or confirmed COVID-19 | |||
No | 1849 | 235 | 12.7 (11.3–14.3) |
Yes | 160 | 59 | 36.9 (29.7–44.5) |