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Table 3 Adoption of the non-pharmaceutical intervention strategy to control COVID-19 among respondents by subgroups

From: Association between supportive attitude and adoptive practice of control strategy against COVID-19 amosng college students in China: a cross-sectional study

Subgroup

Percentage of adoption

ARR (95%CI)

P of ARR

NNT (95%CI)

Sex

 Male vs. female

73.4% vs. 79.1%

5.7% (4.9–6.5%)

< 0.001

18 (15–20)

 Adjusted

73.3% vs. 79.2%

5.9% (4.9–6.8%)

< 0.001

17 (15–20)

Degree course

  

 Undergraduate vs. postgraduate

75.3% vs. 81.6%

6.3% (5.0–7.5%)

< 0.001

16 (13–20)

 Adjusted

77.1% vs. 81.6%

4.5% (2.4–6.6%)

< 0.001

22 (15–42)

Primary degree

 Medicine vs. other

76.3% vs. 76.7%

0.4% (−0.5 to 1.2%)

0.408

250 (−200 to 83)

 Adjusted

74.9% vs. 76.7%

1.7% (0.8–2.7%)

< 0.001

59 (37–125)

Depression score

  < 16 vs. ≥16

79.7% vs. 70.0%

9.7% (8.8–10.5%)

< 0.001

10 (10–11)

 Adjusted

79.7% vs. 70.0%

9.7% (8.7–10.7%)

< 0.001

10 (9–11)

Anxiety score

  < 50 vs. ≥50

76.7% vs. 48.5%

28.1% (21.8–34.5%)

< 0.001

4 (3–5)

 Adjusted

76.6% vs. 48.5%

28.0% (19.7–36.3%)

< 0.001

4 (3–5)

Exposure

 No vs. yes

76.8% vs. 71.3%

5.5% (3.5–7.5%)

< 0.001

18 (29–13)

 Adjusted

74.2% vs. 71.3%

2.9% (0.2–5.6%)

< 0.001

34 (500–18)

  1. Note: Percentage of adoption refers to the percentage of respondents who undertook all four measures (hand hygiene, use of a facemask, avoidance of gatherings, and avoidance of public places). ARR, absolute risk reduction. NNT, number needed to treat. P (two-tailed) was based on the z-ratio test. †case was adjusted by matching of the propensity score based on age, sex, degree course, primary degree, depression score, anxiety score, or exposure history