Table 1.
Descriptive Statistics of Study Participants
| n | % | |||
|---|---|---|---|---|
| (a) Sample characteristics | ||||
| Sex | ||||
| Male | 628 | 51% | ||
| Female | 611 | 49% | ||
| Age | ||||
| 15-19 years | 306 | 25% | ||
| 20-24 years | 391 | 32% | ||
| 25-34 years | 285 | 23% | ||
| 35+ years | 257 | 21% | ||
| Education | ||||
| Junior high school or below | 130 | 10% | ||
| Senior high school | 486 | 39% | ||
| Diploma or undergraduate | 494 | 40% | ||
| Postgraduate | 129 | 10% | ||
| Occupation | ||||
| Student | 549 | 44% | ||
| Employee | 286 | 23% | ||
| Others | 404 | 33% | ||
| Income | ||||
| <1 milion IDR | 580 | 47% | ||
| 1-3 million | 312 | 25% | ||
| 3-5 million | 180 | 15% | ||
| 5+ million | 167 | 13% | ||
| Region | ||||
| Bandung | 239 | 19% | ||
| Jakarta | 238 | 19% | ||
| Semarang | 257 | 21% | ||
| Surabaya | 247 | 20% | ||
| Yogyakarta | 258 | 21% | ||
| Current cigarette smoking | ||||
| Yes | 225 | 18% | ||
| No | 1013 | 82% | ||
| (b) E-cigarette use | ||||
| Ever use e-cigarette | ||||
| Yes | 361 | 29% | ||
| No | 877 | 71% | ||
| Current use e-cigarette | ||||
| Yes | 159 | 13% | ||
| No | 1079 | 87% | ||
| N | 1239 | |||
Note: N, sample; %, proportion. For occupation; students include school and university; employees include private companies, civil servants, and entrepreneurs; others include casual workers and unemployed. For education, school includes completed primary and high schools; university includes completed undergraduate and graduate degrees. There was one missing value for education. Minimum monthly wages ranged from IDR 2,000,000 in Yogyakarta city to 4,300,000 in Jakarta in 2019/2020.