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. 2020 Jul 24;3(7):e2015821. doi: 10.1001/jamanetworkopen.2020.15821

Table 1. Descriptive Statistics and ANOVAs on Each Variable by Area.

Variables Total respondents, No. Residence Zone, mean (SD) P value Effect size
Red Yellow Green
Women, No. (%) 2880 84 (77.8) 1847 (77.5) 268 (67.7) <.001 0.078
Age, y 2882 34.37 (11.21) 29.79 (12.68) 34.88 (15.42) <.001 0.144
Education, No. (%)a
Low 93 7 (6.5) 66 (2.7) 20 (5.1) .01 .049
Medium 1327 48 (44.4) 1119 (47.1) 160 (40.4)
High 1461 53 (49.1) 1192 (50.2) 216 (54.5)
Assessment score, mean (SD)
Physical health 2619 54.45 (5.07) 54.25 (5.69) 53.88 (6.20) .49 0.023
Mental health 2619 47.18 (10.65) 47.94 (10.39) 47.44 (10.82) .57 0.020
Optimism 2447 2.73 (0.71) 2.72 (0.81) 2.79 (0.79) .31 0.031
Need for cognitive closure 2437 3.80 (0.79) 3.81 (0.82) 3.93 (0.83) .05 0.049
Internal locus of control 2411 3.60 (0.86) 3.72 (0.88) 3.87 (0.89) .006 0.065
Agreeableness 2428 3.18 (0.85) 3.18 (0.84) 3.24 (0.83) .40 0.027
Conscientiousness 2428 3.68 (0.72) 3.69 (0.80) 3.72 (0.83) .86 0.011
Emotional stability 2428 3.07 (1.05) 2.97 (1.01) 2.92 (1.05) .45 0.025
Extroversion 2428 3.24 (0.86) 3.23 (0.92) 3.19 (0.94) .76 0.015
Openness 2428 3.39 (1.04) 3.67 (0.92) 3.61 (0.99) .02 0.056
Epidemic-related worries 2830 3.00 (1.48) 2.99 (1.47) 2.79 (1.56) .05 0.046
Perceived susceptibility 2829 4.20 (1.43) 3.88 (1.36) 3.57 (1.35) <.001 0.092
Preventive behaviors 2829 4.25 (1.55) 3.13 (1.34) 2.88 (1.38) <.001 0.170
Social appraisal 2828 3.44 (1.61) 3.41 (1.52) 3.24 (1.49) .09 0.041
a

Education level was classified as low, primary to middle school; medium, high school diploma; and high, bachelor’s or masters degree or postgraduate degree.