Table 2 The interaction between skills for antibiotic identification and self-medication with antibiotics among parents who self-medicated their children(N = 1944)

Skills for antibiotic identification

  Low

Ref

Ref

Ref

  Medium

1.36 (1.05,1.77)^*

1.48 (1.13,1.94)^**

2.68 (1.70,4.21)^***

  High

1.22 (0.90,1.65)

1.42 (1.03,1.95)^*

3.67 (2.00,6.74)^***

Skills for antibiotic use

  Low

Ref

Ref

Ref

  Medium

0.54 (0.42,0.69)^***

0.51 (0.40,0.66)^***

0.88 (0.54,1.45)

  High

0.23 (0.17,0.31)^***

0.22 (0.17,0.30)^***

0.64 (0.37,1.09)

Level of skills for identification × Level of skills for use

  Low Identification level × Low Using level

Ref

  Medium Identification level × Medium Using level

0.48 (0.26,0.88)^*

  High Identification level × Medium Using level

0.36 (0.17,0.76)^**

  Medium Identification level × High Using level

0.29 (0.15,0.56)^***

  High Identification level × High Using level

0.15 (0.07,0.34)^***