Table 1.
Demographic information of the participants in this study
| Item | Classification | 1st experimental season ('06) |
2nd experimental season ('07) |
||
|---|---|---|---|---|---|
| Continuation (n=9) | Withdrawal (n=8) | Continuation (n=9) | Withdrawal (n=8) | ||
| Gender | Female | 8 | 8 | 8 | 6 |
| Male | 1 | N/A | 1 | 2 | |
| Age | 30s | 5 | N/A | 3 | 3 |
| 40s | 1 | 2 | 1 | 2 | |
| 50s | 2 | 6 | 5 | 2 | |
| 60s | 1 | N/A | N/A | 1 | |
| Mean (yr) | 43.7 | 51.0 | 47.1 | 46.6 | |
| Resident area (m2) | <70 | 2 | 2 | 2 | 3 |
| ≥70 | 2 | 4 | 1 | 1 | |
| >100 | 4 | 1 | 3 | 4 | |
| >130 | 1 | 1 | 2 | N/A | |
| Year of building completion | 1980s | 2 | 3 | 2 | 2 |
| 1990s | 5 | 3 | 6 | 4 | |
| 2000s | 2 | 2 | 1 | 2 | |
Continuation, indoor plant placement during the entire season (April to September); Withdrawal, placement of indoor plants during the former observation term (April to June) and withdrawal during the latter observation term (July to September).
N/A, not applicable.