Table 5.
Comparisons between the sleeping outcomes collected by questionnaire and Fitbit Flex 2 for participants in the two different periods (during and after Ramadan, n = 36)
| Outcomes | Period [median (IQR) or n (%)] | P value | |||
|---|---|---|---|---|---|
| During Ramadan | After Ramadan | ||||
| Questionnaire (h) | |||||
| Daily total sleeping hours | |||||
| < 6 | 4 (11.1%) | 2 (5.6%) | 0.007 | ||
| 6–8 | 27 (75%) | 18 (50%) | |||
| > 8 | 5 (13.9%) | 16 (44.4%) | |||
| Daily night-time sleeping hours | |||||
| Never | 20 (55.6%) | 3 (8.3%) | 0.005 | ||
| > 3 | 5 (13.9%) | 9 (25%) | |||
| 3–6 | 6 (16.7%) | 14 (38.9%) | |||
| > 6 | 5 (13.9%) | 10 (27.8%) | |||
| Fitbit Flex 2 (h) | |||||
| Average daily total sleeping hours (h) | 6.03 (5.37–6.67) | 7.02 (6.35–7.71) | < 0.001 | ||
| Average daily total sleeping hours categories | |||||
| < 6 | 18 (50%) | 5 (13.9%) | < 0.001 | ||
| 6–8 | 17 (47.2%) | 25 (69.4%) | |||
| > 8 | 1 (2.8%) | 6 (16.7%) | |||
| Average daily night-time sleeping hours (h) | 0 (0–1.30) | 1.78 (0.67–2.88) | < 0.001 | ||
| Average daily night-time sleeping hours categories | |||||
| Never | 18 (50%) | 6 (16.7%) | < 0.001 | ||
| > 3 | 17 (47.2%) | 22 (61.1%) | |||
| 3–6 | 1 (2.8%) | 7 (19.4%) | |||
| > 6 | 0 (0%) | 1 (2.8%) | |||
P values for non-parametric paired Wilcoxon signed-rank tests
SD standard deviation, n number