서 론
대상 및 방법
1. 연구 설계
2. 연구 자료
3. 자료 분석
결 과
1. 연평균 미세먼지 농도와 고위험임신의 실태
Table 1.
Table 2.
Table 3.
2. 일반적 특성에 따른 고위험임신
Table 4.
Characteristic |
High-risk pregnancy |
Abortion |
Gestational hypertension |
Preterm labor |
||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Yes (n = 301) |
No (n = 879) |
t or χ2 |
Yes (n = 172) |
No (n = 879) |
t or χ2 |
Yes (n = 15) |
No (n = 879) |
t or χ2 |
Yes (n = 114) |
No (n = 879) |
t or χ2 |
|
Age (yr) | 33.0±4.8 | 32.4±3.8 | 1.31 | 33.7±4.7 | 32.4±3.8 | 3.69** | 33.8±6.8 | 32.4±3.8 | 0.90 | 31.0±3.8 | 32.4±3.8 | –3.84** |
Education | 0.76 | 0.58 | 1.54 | 2.10 | ||||||||
High school | 96 | 265 | 48 | 265 | 5 | 265 | 43 | 265 | ||||
≤College | 196 | 578 | 119 | 578 | 10 | 578 | 67 | 578 | ||||
≥Masters | 9 | 36 | 5 | 36 | 0 | 36 | 4 | 36 | ||||
Job | 1.90 | 1.82 | 0.15 | 0.35 | ||||||||
Yes | 143 | 388 | 85 | 388 | 7 | 388 | 51 | 388 | ||||
No | 158 | 491 | 87 | 491 | 8 | 491 | 63 | 491 | ||||
Marital status | 1.75 | 0.06 | 0.90 | 5.79* | ||||||||
Married | 284 | 840 | 164 | 840 | 15 | 840 | 105 | 840 | ||||
Unmarried | 17 | 39 | 8 | 39 | 0 | 39 | 9 | 39 | ||||
Residence | 0.52 | 1.11 | 11.66** | 1.78 | ||||||||
Metropolitan | 123 | 357 | 74 | 357 | 11 | 357 | 38 | 357 | ||||
Non-metropolitan | 178 | 522 | 98 | 522 | 4 | 522 | 76 | 522 |
3. 고위험임신의 위험 요인
Table 5.
Characteristic | High-risk pregnancy | Abortion | Gestation hypertension | Preterm labor |
---|---|---|---|---|
Age (≥35: 1, <35: 0) | 1.31* (1.01–1.72) | 1.97** (1.43–2.71) | 1.54 (0.58–4.06) | 0.55* (0.33–0.90) |
Education (≥college: 1, ≤high school: 0) | 0.88 (0.67–1.16) | 1.07 (0.75–1.52) | 0.47 (0.17–1.29) | 0.73 (0.48–1.10) |
Job (yes: 1, no: 0) | 0.84 (0.65–1.08) | 0.82 (0.60–1.12) | 0.81 (0.31–2.13) | 0.88 (0.59–1.31) |
Marital (yes: 1, no: 0) | 0.70 (0.41–1.20) | 0.86 (0.42–1.75) | – | 0.50* (0.25–0.98) |
Residence (metropolitan: 1, non-metropolitan: 0) | 1.11 (0.86–1.42) | 1.17 (0.86–1.61) | 7.37* (2.09–25.93) | 0.78 (0.52–1.16) |
Occurrence of reproductive disease was coded 1 (occurrence of preterm labor, abortion, or gestational hypertension) or 0 (not occurrence of disease).
4. 미세먼지와 고위험임신과의 연관성
Table 6.
Normal pregnancy | High-risk pregnancy | χ2 | Abortion | χ2 | Gestational hypertension | χ2 | Preterm labor | χ2 | |
---|---|---|---|---|---|---|---|---|---|
PM10 | 2.40 | 0.32 | 1.71 | 16.17** | |||||
≤50 μg/m3 | 512 | 163 | 102 | 11 | 50 | ||||
>50 μg/m3 | 367 | 138 | 70 | 4 | 64 |
Table 7.
High-risk pregnancy | Abortion | Gestational hypertension | Preterm labor | |
---|---|---|---|---|
PM10 (>50 μg/m3: 1, ≤50 μg/m3: 0) | 1.218 (0.95–1.56) | 0.913 (0.67–1.25) | 0.507 (0.18–1.43) | 2.20** (1.49–3.25) |