1Student Research Committee, Qazvin University of Medical Sciences, Qazvin, Iran
2Social Determinants of Health Research Center, Research Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran
Copyright © 2021 The Korean Society for Preventive Medicine
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Variables | Term | Preterm | Total | Uunivariate logistic regression analysis |
||||
---|---|---|---|---|---|---|---|---|
p-value | Standard error | β | ||||||
Ddemographic | ||||||||
Education | ||||||||
Academic degree | 102 (70.8) | 6 (100) | 108 (72.0) | - | - | - | ||
None academic degree | 42 (29.2) | 0 (0.0) | 42 (28.0) | 0.998 | 6201.91 | -18.37 | ||
Occupation | ||||||||
Housewife | 117 (81.2) | 6 (100) | 123 (82.0) | - | - | - | ||
Employed | 27 (18.7) | 0 (0.0) | 27 (18.0) | 0.998 | 7735.14 | 18.23 | ||
Family income status | ||||||||
Under sufficient | 16 (11.0) | 0 (0.0) | 16 (11.0) | - | - | - | ||
Sufficient | 115 (80.0) | 5 (83.0) | 120 (80.0) | 0.999 | 1004.24 | -18.63 | ||
In term of savings | 13 (9.0) | 1 (17.0) | 14 (9.0) | 0.253 | 1.13 | -0.57 | ||
Age |
25.72±4.08 | 28.00±5.62 | 25.81±4.15 | 0.192 | 0.10 | 0.13 | ||
Sleep status | ||||||||
14-18 wk | ||||||||
Petersburg Sleep Quality Index |
6.44±2.17 | 8.67±0.51 | 6.53±2.17 | 0.023 | 0.18 | 0.41 | ||
Epworth Sleepiness Scale | 12.53±3.75 | 14.00±4.09 | 12.59±3.76 | 0.348 | 0.09 | 0.09 | ||
Daily nap duration (min) | 66.46±54.87 | 40.00±30.98 | 65.40±54.30 | 0.252 | 0.01 | -0.01 | ||
Daily nap | ||||||||
Yes | 116 (80.6) | 4 (66.7) | 120 (80.0) | - | - | - | ||
No | 28 (19.4) | 2 (33.3) | 30 (20.0) | 0.414 | 0.89 | 0.72 | ||
28-32 wk | ||||||||
Petersburg Sleep Quality Index |
6.81±2.01 | 9.00±3.57 | 6.89±2.12 | 0.019 | 0.17 | 0.39 | ||
Epworth Sleepiness Scale | 11.97±3.10 | 12.67±3.61 | 12.00±3.11 | 0.593 | 0.11 | 0.06 | ||
Daily nap duration (min) | 43.65±39.34 | 50.00±55.85 | 43.90±39.89 | 0.702 | 0.01 | 0.00 | ||
Daily nap | ||||||||
Yes | 99 (68.8) | 4 (66.7) | 103 (68.7) | - | - | - | ||
No | 45 (31.3) | 2 (33.3) | 47 (31.3) | 0.914 | 0.88 | 0.09 |
Variables | β | SE | Wald | p-value | OR (95% CI) |
---|---|---|---|---|---|
Age | 0.13 | 0.109 | 1.59 | 0.206 | 1.14 (0.92, 1.42) |
Petersburg Sleep Quality Index (wk) | |||||
14-18 | 0.35 | 0.227 | 2.42 | 0.119 | 1.42 (0.91, 2.22) |
28-32 | 0.25 | 0.209 | 1.48 | 0.224 | 1.28 (0.85, 1.94) |
Hosmer and Lemeshow test: χ2 = 5.95 df = 8 Sig = 0.65 | |||||
Model summary: -2 log likelihood = 40.827; Cox-Snell R2 = 0.062; Nagelkerke R2 = 0.216 | |||||
Omnibus test of model coefficients: χ2 = 9.55 df = 3 Sig = 0.02 |
Variables | Pregnancy (wk) |
p-value | |
---|---|---|---|
14-18 | 28-32 | ||
Petersburg Sleep Quality Index | |||
<5 | 23 (15.3) | 10 (6.7) | 0.031 |
≥5 | 127 (84.7) | 140 (93.3) | |
Epworth Sleepiness Scale | |||
<11 | 34 (22.7) | 51 (34.0) | 0.010 |
≥11 | 116 (77.3) | 99 (66.0) | |
Daily nap | |||
Yes | 120 (80.0) | 103 (68.7) | 0.021 |
No | 30 (20.0) | 47 (31.3) | |
Daily nap duration | 54.30±65.40 | 39.89±43.90 | 0.001 |
Variables | β | SE | Wald | p-value | OR (95% CI) |
---|---|---|---|---|---|
Sleep status | |||||
14-18 wk | |||||
Daily nap | -1.12 | 0.48 | 5.33 | 0.021 | 0.32 (0.12, 0.84) |
Epworth Sleepiness Scale | -0.48 | 0.05 | 0.94 | 0.332 | 0.95 (0.86, 1.05) |
28-32 wk | |||||
Daily nap duration (min) | -0.12 | 0.00 | 5.88 | 0.015 | 0.98 (0.97, 0.99) |
Petersburg Sleep Quality Index | -0.18 | 0.09 | 0.03 | 0.844 | 0.98 (0.82, 1.17) |
Hosmer and Lemeshow test: χ2 = 14.142 df = 4 Sig = 0.007 | |||||
Model summary: -2 log likelihood = 192.774; Cox-Snell R2 = 0.006; Nagelkerke R2 = 0.008 | |||||
Omnibus test of model coefficients: χ2 = 0.833 df = 1 Sig = 0.361 |
Values are presented as number (%) or mean±standard deviation. Variables selected to enter into the multivariate regression model.
SE, standard error; OR, odds ratio; CI, confidence interval; df, degrees of freedom; Sig, significance.
Values are presented as number (%) or mean±standard deviation.
SE, standard error; OR, odds ratio; CI, confidence interval; df, degrees of freedom; Sig, significance.