Table 2. Reliability and validity test of the variables.

Item Classification N(215) %
Gender Female 112 52.1
Male 103 47.9
Age groups Younger than 19 years old 2 1
20s 5 2.4
30s 8 3.8
40s 21 9.6
50s 77 35.6
60s 93 43.3
70s or older 9 4.3
Companion type Family 129 60
Friend/lover 38 17.7
Group or club 29 13.5
Alone 10 4.7
Colleague at work 8 3.7
Others 1 0.5
Residence Capital region 141 65.7
Non-capital region (except for Gangwon Province) 55 25.4
Gangwon Province 19 9
Means of transportation (multiple responses possible) Car 188 87.4
Charter bus for tourism 21 9.8
Intra-city or intercity bus 4 1.9
Train 2 0.9
Travel time Less than 1 hr. 7 3.3
1–2 hrs. 11 5.1
2–3 hrs. 42 19.5
3–4 hrs. 62 28.8
4–5 hrs. 67 31.2
5–6 hrs. 11 5.1
6–7 hrs. 8 3.7
7–8 hrs. 5 2.3
8–9 hrs. 1 0.5
Others 1 0.5
Recognition of the DPT Yes 145 67.4
No 70 32.6