. 2017 Jul;63(7):e341–e349.

Table 2.

Comparison of self-efficacy scores within categories using the Friedman test: Self-efficacy was scored on a scale of 0 to 10, with higher scores indicating greater self-efficacy.

CATEGORY	ITEMS	MEAN (SD) SELF-EFFICACY SCORE	FRIEDMAN TEST
Patient’s prepregnancy BMI	Underweight range	8.31 (2.12)	$χ_{3}^{2} = 2.004$ P = .572
	Normal range	8.53 (1.89)
	Overweight range	8.35 (1.91)
	Obese range	8.48 (1.94)
Patient’s age	Teenager	8.20 (2.14)	$χ_{2}^{2} = 13.698$ P = .001
	Young adult	8.44 (2.02)
	Approaching middle age	8.66 (1.60)
Patient’s education	High school	8.42 (2.09)	$χ_{2}^{2} = 5.393$ P = .067
	Postsecondary	8.63 (1.69)
	Postgraduate or professional degree	8.46 (1.82)
Patient’s SES	Low SES	8.17 (2.28)	$χ_{2}^{2} = 21.219$ P < .001
	Middle SES	8.46 (1.98)
	High SES	8.69 (1.82)
Familiarity with the patient	Familiar	8.56 (1.87)	$χ_{2}^{2} = 16.958$ P < .001
	Somewhat familiar	8.18 (2.00)
	Not at all familiar	7.63 (2.56)
Perceived quality of the clinician-patient relationship	Above average	8.92 (1.39)	$χ_{2}^{2} = 89.127$ P < .001
	Average	8.33 (1.81)
	Below average	6.58 (2.57)
Attendance alone or accompanied	Alone	8.83 (1.46)	$χ_{4}^{2} = 56.677$ P < .001
	Companion with underweight BMI	7.66 (2.37)
	Companion with normal BMI	7.87 (2.21)
	Companion with overweight BMI	7.75 (2.29)
	Companion with obese BMI	7.73 (2.34)
Comparison of patient’s prepregnancy BMI to clinician’s own BMI	A lot lower	8.57 (2.10)	$χ_{4}^{2} = 10.397$ P = .034
	Lower	8.53 (2.06)
	The same	8.56 (2.04)
	Higher	8.32 (2.22)
	A lot higher	8.24 (2.33)
Degree to which the clinic is running on time	On time	8.72 (1.75)	$χ_{2}^{2} = 93.391$ P < .001
	30 min late	6.21 (2.64)
	60 min late	5.14 (3.24)
Time allotted for prenatal visit	30 min	8.80 (1.50)	$χ_{3}^{2} = 127.275$ P < .001
	20 min	7.86 (2.10)
	15 min	6.66 (2.59)
	10 min	5.70 (3.04)

BMI—body mass index, SES—socioeconomic status.