Psychometric Properties of the Diabetes Management Self-Efficacy Scale in Korean Patients with Type 2 Diabetes

Table 2

Exploratory factor analyses.

Number	Abbreviated item; description	First exploratory factor analysis^a				Second exploratory factor analysis^b
		F1^c	F2^d	F3^e	F4^f	F1^c	F2^d	F3^e	F4^f
1	Checking blood sugar				0.46				0.46
2	Correcting high blood sugar				0.80				0.84
3	Correcting low blood sugar				0.83				0.81
4	Choosing foods	0.52				0.53
6	Controlling body weight		0.59				0.58
7	Examining feet for cuts					—	—	—	—
8	Taking physical exercise		0.74				0.74
9	Adjusting eating plan during illness	0.53				0.54
10	Following a healthy eating pattern	0.67				0.57
11	Taking physical exercise on doctor’s advice		0.84				0.81
12	Balancing between exercise and eating plan		0.74				0.74
14	Adjusting eating plan: when I am away from home	0.75				0.76
16	Eating pattern: eating out, eating at a party or company dinner	0.80				0.79
17	Eating plan related to stress or anxiety	0.76				0.74
18	Visiting doctor four times a year			0.73				0.70
19	Taking medication as prescribed			0.87				0.91
20	Adjusting medication during illness			0.74				0.73

First exploratory factor analysis: Kaiser-Meyer-Olkin (KMO) statistic = 0.89, Bartlett’s sphericity = 2602.62 (P < 0.001).
^bSecond exploratory factor analysis: KMO statistic = 0.89, Bartlett’s sphericity = 2461.10 (P < 0.001).
^cFactor 1: nutrition.
^dFactor 2: physical exercise/body weight.
^eFactor 3: medical treatment.
^fFactor 4: blood sugar.