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Table 1 Values in valid sample, interclass correlation, and reliability for each question item (n = 6841)

From: Determinants of school attendance in elementary school students in Japan: a structural equation model

Item wordings Valid sample ICC
n %   95% CI Lower 95% CI Upper
1. I am looking forward to going to my school 6531 95.5 0.019* 0.008 0.076
2. I play with friends a lot 6786 99.2 0.009* 0.003 0.039
3. I get along well with friends 6777 99.1 0.003* 0.001 0.015
4. Other kids like me 6744 98.6 0.010* 0.003 0.041
5. School teachers approve of my efforts 6757 98.8 0.008* 0.003 0.036
6. I am happy when talking to school teachers 6766 98.9 0.011* 0.004 0.048
7. I can prepare for classes by my own 6525 95.4 0.009* 0.003 0.038
8. I am proud of myself 6771 99.0 0.008* 0.003 0.034
9. I am helpful to others 6759 98.8 0.008* 0.003 0.034
10. I believe my efforts will be rewarded 6767 98.9 0.003* 0.000 0.014
11. My health status is 6615 96.7 0.031* 0.012 0.115
12. I get tired easily 6708 98.1 0.006* 0.002 0.026
13. I have anxieties/worries 6757 98.8 0.021* 0.008 0.083
Persons I talk to when sharing my experiences and thoughts with
 a. My mother 6763 98.9 0.011* 0.004 0.046
 b. My father 6696 97.9 0.007* 0.002 0.029
 c. My siblings 6670 97.5 0.014* 0.005 0.056
 d. Other family members/relatives 6732 98.4 0.019* 0.007 0.075
 e. School teachers 6933 98.4 0.029* 0.012 0.109
 f .A school counselor 6655 97.3 0.015* 0.006 0.062
 g. Instructors of extracurricular activities 6741 98.5 0.004* 0.001 0.020
 h. My friends 6100 98.9 0.014* 0.005 0.057
  1. ICC interclass correlation, CI confidence interval
  2. * p < 0.001