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Table 1 Internal consistency (alpha) of ESES items.

From: The SCI Exercise Self-Efficacy Scale (ESES): development and psychometric properties

ESES Items: I am confident

Alpha for Scale .9269 Alpha if Item deleted

(n = 368)

Alpha for Scale .8700 Apha if Item deleted (n = 53)

Mean

(n = 368)

SD

(n = 368)

• that I can overcome barriers and challenges with regard to physical activity and exercise if I try hard enough (ES1)

.9234

.863

3.2582

.8027

• that I can find means and ways to be physically active and exercise (ES2)

. 9153

.850

3.3533

.8450

• that I can accomplish my physical activity and exercise goals that I set (ES3)

.9167

.855

3.1739

.8268

• that when I am confronted with a barrier to physical activity or exercise I can find several solutions to overcome this barrier (ES4)

.9174

.853

3.1359

.8073

• that I can be physically active or exercise even when I am tired (ES5)

.9192

.856

2.8152

.8881

• that I can be physically active or exercise even when I am feeling depressed (ES6)

.9216

.866

2.9918

.9116

• that I can be physically active or exercise even without the support of my family or friends (ES7)

.9189

.851

3.2092

.9666

• that I can be physically active or exercise without the help of a therapist or trainer (ES8)

.9221

.857

3.2989

.9470

• that I can motivate myself to start being physically active or exercising again after I've stopped for a while (ES9)

.9162

.857

3.2880

.8912

• that I can be physically active or exercise even if I had no access to a gym, exercise, training, or rehabilitation facility (ES10)

.9231

.868

3.2446

.9367