Table 4.
Trends in transportation time between 2002 and 2010–2012 #.
| Characteristics | 2002 Transportation Time (min) ## | 2010–2012 Transportation Time (min) ## | Trend p-Value | ||
|---|---|---|---|---|---|
| Mean (SE) | p-Value | Mean (SE) | p-Value | ||
| Total | 37.1 (0.1) | 63.0 (0.2) | <0.001 a | ||
| Gender | 0.233 a | <0.001 a | |||
| Male | 37.7 (0.2) | 65.2 (0.3) | <0.001 a | ||
| Female | 36.5 (0.2) | 60.8 (0.2) | <0.001 a | ||
| Age group | <0.001 b | <0.001 b | |||
| 15–29.9 | 40.3 (0.3) | 58.6 (0.4) | <0.001 a | ||
| 30–44.9 | 34.8 (0.2) | 63.5 (0.3) | <0.001 a | ||
| 45–55.9 | 35.8 (0.2) | 65.3 (0.2) | <0.001 a | ||
| ≥60 | 37.4 (0.4) | 67.1 (0.3) | <0.001 a | ||
| Region type | <0.001 a | <0.001 a | |||
| Urban areas | 40.0 (0.2) | 65.8 (0.2) | <0.001 a | ||
| Rural areas | 34.2 (0.1) | 60.3 (0.2) | <0.001 a | ||
| Education level | <0.001 b | <0.001 b | |||
| Primary school or below | 35.8 (0.2) | 64.3 (0.3) | <0.001 a | ||
| Junior or senior high school | 36.8 (0.2) | 61.6 (0.2) | <0.001 a | ||
| College and above | 43.5 (0.6) | 66.7 (0.5) | <0.001 a | ||
| Annual average income per capita | <0.001 b | <0.001 b | |||
| Low | 36.5 (0.2) | 65.3 (0.3) | <0.001 a | ||
| Middle | 36.5 (0.3) | 61.7 (0.3) | <0.001 a | ||
| High | 40.1 (0.4) | 62.4 (0.3) | <0.001 a | ||
| No response | 38.1 (1.0) | 60.6 (0.6) | <0.001 a | ||
# Standardized by age, gender, and region based on the 2010 national population. ## Sample weighted results. a Mann–Whitney U test. b Kruskal–Wallis Rank sum test. p-Value is the test result of different subgroups among each survey; Trend p Value is the test result between two different survey.