Table 1 Demographic characteristic of respondents

 - ≤ 21 (n = 765)

5.61 ± 0.94

0.090^‡

6.39 ± 0.82

0.198^‡

 - > 21 (n = 238)

5.71 ± 0.99

6.31 ± 0.85

 - Male (n = 324)

5.74 ± 0.907

0.037^‡*

6.35 ± 0.866

0.820^‡

 - Female (n = 679)

5.58 ± 0.974

6.38 ± 0.806

 - Public (n = 831)

5.66 ± 0.953

0.043^‡*

6.40 ± 0.829

0.002^‡*

 - Private (n = 172)

5.50 ± 0.960

6.22 ± 0.793

 - Yes (n = 62)

5.61 ± 0.997

0.919^‡

6.42 ± 0.801

0.805^‡

 - No (n = 941)

5.63 ± 0.953

6.37 ± 0.827

 - Yes (n = 935)

5.65 ± 0.952

0.044^‡*

6.38 ± 0.826

0.369^‡

 - No (n = 68)

5.41 ± 0.982

6.29 ± 0.811

 - A (n = 691)

5.71 ± 0.941

0.001^”*

6.40 ± 0.805

0.327^”

 - B (n = 110)

5.55 ± 0.986

6.32 ± 0.753

 - C (n = 202)

5.42 ± 0.959

6.32 ± 0.924

 - Java (n = 708)

5.61 ± 0.961

0.275^‡

6.35 ± 0.802

0.045^‡*

 - Outside Java (n = 295)

5.68 ± 0.941

6.44 ± 0.881