Table 3 Odds ratios of high risk-taking behaviors against the stay-at-home policy (April–May 2020)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

Dining out at izakayas or bars, yes

ref

1.83 (1.61–2.08)

2.89 (2.21–3.76)

ref

1.45 (1.25–1.67)

2.08 (1.56–2.79)

Dining out at restaurants, yes

ref

1.49 (1.33–1.67)

2.18 (1.70–2.79)

ref

1.27 (1.12–1.44)

1.79 (1.37–2.35)

Visiting friends, yes

ref

1.23 (1.07–1.41)

2.07 (1.57–2.74)

ref

1.17 (1.01–1.36)

1.81 (1.34–2.44)

Visiting relatives, yes

ref

1.28 (1.15–1.43)

1.43 (1.11–1.83)

ref

1.23 (1.09–1.39)

1.31 (1.00–1.72)

Inviting people at home, yes

ref

1.29 (1.14–1.47)

1.79 (1.37–2.36)

ref

1.26 (1.09–1.44)

1.65 (1.23–2.22)

Going to night club, yes

ref

1.80 (1.38–2.35)

4.58 (3.03–6.91)

ref

1.28 (0.96–1.71)

2.18 (1.36–3.50)

Going to karaoke, yes

ref

1.90 (1.52–2.38)

3.46 (2.33–5.13)

ref

1.49 (1.17–1.90)

1.97 (1.26–3.10)

Going to a music club, yes

ref

1.70 (1.24–2.32)

3.87 (2.35–6.38)

ref

1.24 (0.88–1.75)

1.84 (1.02–3.30)

Participating in sports events, yes

ref

1.35 (1.11–1.64)

2.53 (1.78–3.60)

ref

1.20 (0.97–1.48)

2.01 (1.37–2.96)

Going out to watch sports events, yes

ref

1.48 (1.13–1.95)

3.97 (2.62–6.00)

ref

1.18 (0.88–1.58)

2.48 (1.56–3.94)

Going to a gym, yes

ref

1.46 (1.21–1.76)

1.91 (1.29–2.81)

ref

1.43 (1.17–1.76)

1.72 (1.13–2.61)

Going to gamble, yes

ref

1.79 (1.48–2.17)

2.32 (1.57–3.43)

ref

1.34 (1.09–1.66)

1.36 (0.88–2.10)

Going to a hostess bar, yes

ref

1.83 (1.41–2.38)

4.47 (2.97–6.74)

ref

1.27 (0.96–1.70)

2.11 (1.31–3.39)

Going to a brothel, yes

ref

1.53 (1.13–2.06)

4.00 (2.53–6.31)

ref

1.11 (0.80–1.54)

2.07 (1.23–3.48)

Riding on a crowded train, yes

ref

1.35 (1.18–1.55)

1.95 (1.47–2.58)

ref

1.19 (1.03–1.38)

1.46 (1.07–1.99)

Going to a museum/theater, yes

ref

1.23 (1.00–1.50)

2.89 (2.07–4.05)

ref

1.11 (0.89–1.38)

2.19 (1.51–3.18)

Participating at local events, yes

ref

1.57 (1.22–2.01)

3.29 (2.16–5.01)

ref

1.29 (0.99–1.69)

1.93 (1.19–3.12)

Going shopping for unnecessary items, yes

ref

1.24 (1.11–1.39)

1.04 (0.80–1.34)

ref

1.18 (1.04–1.33)

1.00 (0.76–1.33)