Table 1.
Factors |
Preterm Cases (%) |
No Preterm (%) |
P value |
OR |
95% CI |
---|---|---|---|---|---|
N=181 | N=1445 | ||||
Age (years) |
|
|
|
|
|
· <20 |
7 (3.9) |
43 (3.0) |
0.63 |
1.3 |
0.54 – 3.57 |
· 20 – 35 |
151 (83.4) |
1243 (86.0) |
|
1.0 |
1.0 |
· >35 |
23 (12.7) |
159 (11.0) |
0.55 |
1.2 |
0.72 – 1.94 |
Parity |
|
|
|
|
|
· 0 |
54 (29.8) |
316 (21.9) |
0.20 |
1.3 |
0.87 – 1.94 |
· 1 – 2 |
71 (39.3) |
541 (37.4) |
|
1.0 |
1.0 |
· >2 |
56 (30.9) |
588 (40.7) |
0.10 |
0.7 |
0.49 – 1.07 |
Marital status |
|
|
|
|
|
· Married |
145 (80.1) |
1261 (87.3) |
|
1.0 |
1.0 |
· Not married |
36 (19.9) |
184 (12.7) |
<0.05 |
1.7 |
1.12 – 2.57 |
Work status |
|
|
|
|
|
· Working |
138 (76.2) |
1068 (73.9) |
0.59 |
1.12 |
0.77–1.64 |
· Not working |
43 (23.8) |
374 (26.1) |
|
1.0 |
1.0 |
Stress at work |
|
|
|
|
|
· Stressful |
90 (65.2) |
614 (57.3) |
0.04 |
1.4 |
1.01 – 2.06 |
· Not stressful |
48 (34.8) |
457 (42.7) |
|
1.0 |
1.0 |
Social Class[16] |
|
|
|
|
|
· I & II |
20 (11.0) |
146 (10.1) |
0.70 |
0.70 |
0.48 – 1.56 |
· III |
49 (27.1) |
415 (28.7) |
|
1.0 |
1.0 |
· IV & V | 112 (61.9) | 884 (61.2) | 0.87 | 0.9 | 0.54 – 1.59 |