Table 4 Factors associated with severe pain during the LNG-IUS insertion
Variables | Crude OR (95% CI)* | p-value | Adjusted OR (95% CI)** | p-value |
|---|---|---|---|---|
Constant | 3.190 (0.964; 13.713) | 0.078 | ||
Pain relief method | ||||
Block | – | – | – | – |
Naproxen | 2.511 (1.125; 5.755) | 0.026 | 3.671 (1.488; 9.652) | 0.006 |
Ethnicity | ||||
White skin | – | – | – | – |
Skin of colour | 0.331 (0.087; 1.023) | 0.079 | 0.243 (0.054; 0.864) | 0.041 |
Education | ||||
< high school graduation | – | – | – | – |
High school graduation or equivalent | 0.889 (0.142; 5.912) | 0.899 | – | – |
≥ College graduation | 2.022 (0.418; 10.855) | 0.378 | – | – |
Attending physician | ||||
Resident | – | – | – | – |
Gynecologist | 0.881 (0.291; 2.723) | 0.822 | – | – |
Parity | ||||
Nulliparous | – | – | – | – |
Non-nulliparous | 0.099 (0.015; 0.392) | 0.004 | 0.068 (0.009; 0.300) | 0.002 |
Uterine sounding (every 1-cm increase) | 0.502 (0.272; 0.882) | 0.021 | – | – |
Dysmenorrhea | ||||
Yes | – | – | – | – |
No | 0.903 (0.400; 2.023) | 0.805 | – | – |