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Table 2 Frequency distributions of sleep quality and sleep disturbance scores as measured by components of the PSQI

From: Could emotional eating act as a mediator between sleep quality and food intake in female students?

Component Question/ Component Scores 0 1 2 3
1 Rate overall quality of sleep Very good Fairly good Fairly bad Very bad
16.8% 62.4% 18.8% 2%
2 How long does it take you to fall sleep < 15 min 16–30 min 31–60 min > 60 min
42.0% 39.3% 13.3% 5.3%
3 Hours do you actually sleep > 7 h 6 h 5 h <  5 h
30.6% 24.5% 29.3% 15.6%
4 % Time in bed sleeping > 85% 75–84% 65–74% < 65%
60.4% 24.3% 10.4% 4.9%
5 Overall sleep disturbances score 0 1–9 10–18 19–27
15.1% 84.9% 0% 0%
6 Taken medicine to aid in sleep? Not in past month < once a week 1–2 times a week ≥3 times a week
64.4% 29.5% 6.2% 0%
7 Daytime dysfunction 0 1–2 3–4 5–6
25.3% 71.9% 2.7% 0%