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Characteristics of survey population (N,%)
| Total N(%) | Participants with evaluable photographs N(%) | Non-participants or participants with non-evaluable photographs N(%) | p value | ||
|---|---|---|---|---|---|
| *Age (Yrs) | 61.25 ± 7.37 | 61.47 ± 7.46 | 0.38 | ||
| **Gender | Male | 2467 (37.5) | 2043 (39.5) | 424 (38.7) | 0.63 |
| Female | 3800 (62.5) | 3129 (60.5) | 671 (61.3) | ||
Footnotes: * Data presented are mean ± standard deviation (SD)
** Chi-square test
