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. 2017 Dec 13;15:242. doi: 10.1186/s12955-017-0817-3

Table 2.

Descriptive statistics of items and measurement weights of factors for items

Items Statistics Measurement weights
M SD SSC SC FS SS ST
1. What has happened to me in the past makes me feel confident when facing new challenges. 3.11 0.74 .57
2. I know where to look for help. 3.05 0.74 .56
3. I am a strong person. 3.16 0.62 .62
4. I know very well what I want. 3.14 0.65 .68
5. I control my life. 2.96 0.69 .59
6. I like challenges. 2.97 0.73 .60
7. I work hard to achieve my goals. 3.30 0.56 .73
8. I am proud of my accomplishments. 3.25 0.62 .72
9. I know that I have skills. 3.31 0.56 .66
10. Believing in myself helps me overcome difficult situations. 3.30 0.63 .67
11. I believe that I am going to succeed. 3.22 0.66 .71
12. I know how to achieve my goals. 3.08 0.65 .76
13. No matter what happens, I will always find a solution. 3.26 0.60 .67
14. My future looks bright. 2.96 0.71 .76
15. I know that I can solve my personal problems. 3.23 0.57 .75
16. I am satisfied with myself. 3.13 0.66 .77
17. I have realistic plans for the future. 3.13 0.66 .70
18. I trust my decisions. 3.14 0.61 .77
19. When I am not well, I know that better times will come. 3.28 0.61 .58
20. I feel comfortable around other people. 2.91 0.69 .66
21. Making contact with new people is easy for me. 2.86 0.74 .67
22. It is easy for me to make new friends. 2.83 0.76 .70
23. Finding a good conversation topic is easy for me. 2.89 0.71 .69
24. I adapt easily to new situations. 2.89 0.74 .70
25. Making other people laugh is easy for me. 2.73 0.72 .70
26. I enjoy being with other people. 2.98 0.64 .69
27. I know how to start a conversation. 2.90 0.67 .66
28. I have a good relationship with my family. 3.32 0.69 .82
29. I enjoy being with my family. 3.47 0.61 .80
30. In our family, we are loyal to each other. 3.29 0.68 .81
31. In our family, we enjoy doing activities together. 3.31 0.70 .77
32. Even in difficult times, our family has an optimistic attitude toward the future. 3.23 0.69 .61
33. In our family, we agree about what is important in life. 3.25 0.62 .64
34. I have some friends/relatives who are genuinely concerned about me. 3.26 0.70 .83
35. I have some friends/relatives who support me. 3.24 0.71 .87
36. There is always someone who can help me when I need it. 3.26 0.74 .77
37. I have some friends/relatives who encourage me. 3.25 0.69 .79
38. I have some friends/relatives who value my skills. 3.16 0.69 .72
39. Rules and routine make my life easier. 2.81 0.72 .56
40. I maintain my routine even in difficult times. 2.71 0.74 .59
41. I prefer to plan my activities. 2.89 0.68 .65
42. I work better when I have goals. 3.10 0.62 .68
43. I am good at organizing my time. 2.83 0.74 .69

Sample size: N = 446. Method to minimize the discrepancy function: robust maximum likelihood. All parameters are significant at p < .001. Descriptive statistics: M = Arithmetic mean, and SD = Standard deviation. Item response options: 1 = “Strongly disagree”, 2 = “disagree”, 3 = “agree”, and 4 = “strongly agree”. Factors: SSC = Strength and self-confidence, SC = Social competence, FS = Family support, SS = Social support, and ST = Structure