Monthly household Income (million KRW) | Relative ratio (95% CI) | Absolute difference % (95% CI) | ||
---|---|---|---|---|
Pre–policy (2010–2012) | Post–policy (2014–2016) | Pre–policy (2010–2012) | Post–policy (2014–2016) | |
Crude | ||||
 5 ≤ | 1 | 1 | 0 | 0 |
 3–5 | 1.15 (1.15–1.16) | 1.16 (1.16–1.16) | 9.0 (8.4–9.5) | 8.0 (7.4–8.5) |
 1–3 | 1.27 (1.27–1.28) | 1.31 (1.31–1.31) | 15.9 (15.4–16.4) | 15.1 (14.6–15.6) |
 < 1 | 1.49 (1.49–1.49) | 1.62 (1.61–1.62) | 28.3 (27.8–28.9) | 30.1 (29.6–30.7) |
*Adjusted | ||||
 5 ≤ | 1 | 1 | 0 | 0 |
 3–5 | 1.11 (1.11–1.11) | 1.12 (1.12–1.13) | 6.9 (6.9–6.9) | 6.6 (6.6–6.6) |
 1–3 | 1.17 (1.16–1.17) | 1.20 (1.20–1.20) | 10.2 (10.2–10.3) | 10.4 (10.3–10.4) |
 < 1 | 1.19 (1.19–1.20) | 1.29 (1.29–1.30) | 11.9 (11.9–11.9) | 15.5 (15.5–15.5) |