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Table 3 STI knowledge scores of 1805 women and socioeconomic factors in multiple linear regression models

From: Lack of knowledge about sexually transmitted infections among women in North rural Vietnam

  Number of participants Mean score Linear regression
    Regression coefficientb P-value
Marital status     
   Unmarried 445 4.3 -2.4 0.000
   Married 1360 7.3 0 reference
Age (years)     
   15 – 19 282 3.9 -1.3 0.003
   20 – 29 468 7.1 0 reference
   30 – 39 498 6.9 -0.7 0.003
   40 – 49 557 7.3 -0.3 0.092
Education     
   Primary/illiterate 250 5.1 -1.2 0.000
   Secondary 1022 6.4 0 reference
   High school 393 6.2 1.0 0.000
   College/university 140 10.4 3.3 0.000
Occupation     
   Farmer 1192 6.4 0 reference
   Government staff 93 11.4 1.1 0.036
   Worker 120 7.0 0.9 0.002
   Trader/others 157 7.4 0.5 0.165
   Student 243 4.6 0.8 0.046
Place of residence     
   Lowland 799 7.6 0 reference
   Highland 541 5.7 -1.3 0.000
   Mountainous 465 5.7 -2.5 0.000
Economic status     
   1st quintile group 239 5.5 -0.3 0.163
   2nd quintile group 350 5.8 -0.2 0.283
   3rd quintile group 361 6.1 0 reference
   4th quintile group 392 6.7 0.0 0.762
   5th quintile group 463 7.9 0.4 0.087
Experience of induced abortion     
   No 1298 6.0 0 reference
   Yes 507 8.0 0.7 0.001
Experience of childbirth     
   No 464 4.5 -0.7 0.244
   Yes 1327 7.3 0 reference
Self-reported STI-related symptoms during last 6 months     
   No 1160 5.9 0 reference
   Yes 645 7.6 0.6 0.002
  1. b Regression coefficient in multilevel analysis controlling for intra correlations of household and cluster
  2. Positive regression coefficients indicate positive associations
  3. Negative regression coefficients indicate negative associations