Table 1.
Sleep duration by sample characteristics.
| Sleep duration |
Short ( <7 hrs) |
Normal (7–8 hrs) |
Long ( >8 hrs) |
||||
|---|---|---|---|---|---|---|---|
| % | CI | % | CI | % | CI | P-value | |
| Overall (n = 2500) | 54.35 | 51.25–57.42 | 42.13 | 39.11–45.21 | 3.52 | 2.64–4.68 | NA |
| Respondent Group | |||||||
| Qataris (n = 833) | 52.81 | 49.30–56.30 | 38.86 | 35.49–42.33 | 8.33 | 6.53–10.57 | <0.001∗ |
| White collar Expats (n = 935) | 45.56 | 41.55–49.63 | 50.41 | 46.33–54.49 | 4.02 | 2.65–6.07 | |
| Blue collar Expats (n = 732) | 58.18 | 53.75–62.47 | 39.09 | 34.86–43.49 | 2.73 | 1.66–4.46 | |
| Gender | |||||||
| Male (n = 1807) | 55.99 | 52.42–59.50 | 40.99 | 37.53–44.54 | 3.02 | 2.07–4.38 | 0.004∗ |
| Female (n = 693) | 46.89 | 41.44–52.42 | 47.31 | 41.81–52.87 | 5.80 | 4.02–8.31 | |
| Marital status | |||||||
| Married (n = 1747) | 56.17 | 52.51–59.77 | 40.83 | 37.29–44.47 | 3.00 | 2.01–4.45 | 0.061 |
| Divorced or Widow (n = 125) | 47.94 | 33.13–63.12 | 48.40 | 33.59–63.49 | 3.66 | 1.27–10.11 | |
| Never married (n = 622) | 48.09 | 42.16–54.07 | 46.27 | 40.41–52.24 | 5.64 | 3.90–8.10 | |
| Income | |||||||
| Low (n = 497) | 49.44 | 42.76–56.15 | 47.41 | 40.77–54.14 | 3.15 | 1.73–5.65 | 0.397 |
| Moderate (n = 1063) | 56.92 | 52.23–61.49 | 39.52 | 35.06–44.16 | 3.56 | 2.19–5.74 | |
| High (n = 803) | 53.35 | 47.96–58.67 | 43.15 | 37.90–48.56 | 3.49 | 2.24–5.41 | |
| Age | |||||||
| less than 25 (n = 284) | 43.88 | 34.50–53.73 | 49.74 | 40.17–59.32 | 6.38 | 4.17–9.63 | <0.001∗ |
| 25-34 (n = 845) | 47.95 | 42.74–53.21 | 47.11 | 41.91–52.37 | 4.94 | 3.13–7.72 | |
| 35-44 (n = 667) | 61.31 | 55.44–66.87 | 37.36 | 31.85–43.22 | 1.33 | 0.67–2.64 | |
| 45-54 (n = 377) | 59.72 | 51.71–67.25 | 39.80 | 32.29–47.82 | 0.48 | 0.15–1.47 | |
| 55+ (n = 201) | 60.00 | 48.86–70.20 | 36.07 | 26.32–47.12 | 3.93 | 1.28–11.42 | |
| Education level | |||||||
| Less than High school (n = 580) | 61.77 | 56.12–67.13 | 35.32 | 30.08–40.94 | 2.91 | 1.59–5.26 | 0.003∗ |
| High school (n = 688) | 49.90 | 43.91–55.89 | 45.66 | 39.76–51.69 | 4.44 | 2.78–7.01 | |
| Post-Secondary (n = 1225) | 49.46 | 45.26–53.67 | 47.08 | 42.91–51.29 | 3.46 | 2.29–5.20 | |
| Current Smoker | |||||||
| Yes (n = 624) | 55.79 | 49.58–61.81 | 41.03 | 35.10–47.22 | 3.19 | 1.80–5.59 | 0.814 |
| No (n = 1874) | 53.81 | 50.23–57.36 | 42.55 | 39.07–46.12 | 3.63 | 2.60–5.04 | |
| Physically Active | |||||||
| Yes (n = 1073) | 51.39 | 46.60–56.15 | 45.06 | 40.37–49.85 | 3.55 | 2.24–5.57 | 0.266 |
| No (n = 1426) | 56.23 | 52.17–60.21 | 40.27 | 36.36–44.30 | 3.50 | 2.42–5.04 | |
| Number of chronic illness | |||||||
| 0 (n = 1173) | 49.33 | 44.86–53.80 | 47.33 | 42.91–51.80 | 3.34 | 2.28–4.87 | 0.001∗ |
| 1 (n = 725) | 54.20 | 48.40–59.89 | 40.93 | 35.42–46.68 | 4.87 | 2.89–8.09 | |
| 2 or more (n = 602) | 64.62 | 58.25–70.52 | 33.00 | 27.22–39.35 | 2.37 | 1.18–4.70 | |
| Body Mass Index | |||||||
| Underweight (n = 69) | 45.91 | 29.80–62.92 | 52.79 | 35.91–69.04 | 1.31 | 0.46–3.64 | 0.050∗ |
| Normal Weight (n = 815) | 50.20 | 44.97–55.44 | 45.37 | 40.23–50.62 | 4.42 | 2.83–6.85 | |
| Overweight (n = 890) | 54.41 | 49.20–59.53 | 42.17 | 37.14–47.37 | 3.42 | 2.07–5.60 | |
| Obese (n = 542) | 62.42 | 55.52–68.85 | 35.65 | 29.31–42.54 | 1.93 | 1.05–3.51 | |
| Depression (PHQ2) | |||||||
| Yes (n = 325) | 54.05 | 50.67–57.39 | 42.37 | 39.08–45.72 | 3.58 | 2.65–4.83 | 0.911 |
| No (n = 2127) | 55.58 | 47.27–63.60 | 41.41 | 33.52–49.76 | 3.01 | 1.12–7.86 | |
| Perceived Health | |||||||
| Poor (n = 878) | 59.42 | 54.30–64.34 | 37.04 | 32.25–42.10 | 3.54 | 2.10–5.92 | 0.038∗ |
| Good (n = 982) | 52.55 | 47.50–57.55 | 44.67 | 39.72–49.71 | 2.78 | 1.86–4.16 | |
| Very Good (n = 585) | 48.36 | 42.10–54.68 | 47.79 | 41.54–54.11 | 3.85 | 2.25–6.50 | |
NA: Not Applicable