Table 3 Risk factors for sleep quality identified via weighted MLR and BLR (n = 6,519).

From: Siesta characteristics mediated the association between siesta duration and sleep quality in Chinese incoming college freshmen

Variable

weighted MLR

BLR

β, 95% CI

P

OR, 95% CI

P

Age

0.06 (− 0.02, 0.14)

0.093

1.02 (0.93, 1.11)

0.714

Gender: Female

0.37 (0.24, 0.48)

 < 0.001

1.49 (1.30,1.70)

 < 0.001

College level: Undergraduate

 − 0.73 (− 0.88, − 0.58)

 < 0.001

0.45 (0.39, 0.52)

 < 0.001

Only child status: Yes

 − 0.19 (− 0.32, − 0.07)

0.001

0.85 (0.74, 0.97)

0.020

Father’s educational level

 − 0.01 (− 0.11, 0.09)

0.915

0.94 (0.83, 1.06)

0.296

Mother educational level

0.01 (− 0.09, 0.13)

0.703

0.99 (0.87, 1.15)

0.982

Family economic status

 − 0.56 (− 0.71, − 0.42)

 < 0.001

0.54 (0.46, 0.63)

 < 0.001

Monthly living expense

 − 0.41 (− 0.54, − 0.28)

 < 0.001

0.70 (0.61, 0.80)

 < 0.001

Smoking status

0.23 (0.08, 0.38)

0.002

1.18 (1.03, 1.36)

0.019

Drinking habits

0.26 (0.14, 0.38)

 < 0.001

1.35 (1.19, 1.54)

 < 0.001

Consumption of caffeinated beverages

0.11 (0.06, 0.17)

 < 0.001

1.08 (1.01, 1.14)

0.020

Daily usage time of electronic devices

0.11 (0.08, 0.15)

 < 0.001

1.09 (1.04, 1.13)

 < 0.001

Leisure-related physical activity: Yes

 − 0.06 (− 0.18, 0.06)

0.329

0.85 (0.74, 0.97)

0.014

Computer games-related physical activity: Yes

0.23 (0.11, 0.34)

0.004

1.27 (1.12, 1.44)

 < 0.001

Travel-related physical activity: Yes

 − 0.20 (− 0.31, − 0.10)

 < 0.001

0.88 (0.78, 0.99)

0.043

Physical labor-related physical activity: Yes

 − 0.11 (− 0.24, 0.01)

0.062

0.85 (0.75, 0.97)

0.015

Mental labor-related physical activity: Yes

 − 0.07 (− 0.20, 0.05)

0.249

0.93 (0.80, 1.08)

0.325

Other physical activities: Yes

 − 0.18 (− 0.38, 0.01)

0.070

0.54 (0.41, 0.69)

 < 0.001

Duration of exposure to natural light

 − 0.20 (− 0.26, − 0.15)

 < 0.001

0.82 (0.78, 0.87)

 < 0.001

BMI

0.06 (− 0.01, 0.13)

0.048

1.03 (0.96, 1.10)

0.341

Siesta duration

0.10 (0.05, 0.15)

 < 0.001

1.08 (1.02, 1.14)

0.006

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