Development, validation, and reliability of the Chrononutrition Profile Questionnaire-Pregnancy (CPQ-P)

Table 5 Summary of the construct validity using EFA with varimax rotation (n = 358)

Items		Loading on 6 factors
		1	2	3	4	5	6
		Morning chrono-habits	Sleeping habits	Evening eating	Temporal eating habits	Pregnancy symptoms	Largest meal
A1	Preferred wake time	0.812
A2	Weekday wake time	0.788
A3	Weekend wake time	0.773
A4	Preferred first eating event time	0.759
A5	Weekday first eating event time	0.758
A6	Weekend first eating event time	0.690
A7	Breakfast skipping	0.359
B1	Preferred fall asleep time		0.899
B2	Weekday bedtime		0.894
B3	Weekend bedtime		0.850
C1	Weekday dinner time			0.850
C2	Weekend dinner time			0.781
C3	Preferred last eating event time			0.584
C4	Weekday last eating event time			0.577
C5	Weekend last eating event time			0.392
D1	Weekday snacking frequency				0.873
D2	Weekend snacking frequency				0.847
D3	Snacking after last meal				0.533
D4	Night eating				0.453
E1	Pregnancy effect on wake up time					0.879
E2	Pregnancy effect on sleep time					0.852
E3	Pregnancy effect on meal time					0.626
F1	Lunch as largest meal						0.966
F2	Breakfast as largest meal						0.838
F3	Dinner as largest meal						0.382

Items with factor loading ≥ 0.298 are shown (Field 2013). The six factors presented the structure CPQ-P and explained 59.51% of the total variances. Factor 1 explained 15.71% of the total variances, factor 2 explained 10.93% of the total variances, factor 3 explained 8.84% of the total variances, factor 4 explained 8.26% of the total variances, factor 5 explained 8.02% of the total variances and factor 6 explained 7.76% of the total variances

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