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Table 4 Percentage difference in pre and post intervention scores in IA and CA

From: Development and implementation of a worksite-based intervention to improve mothers’ knowledge, attitudes, and skills in sharing information with their adolescent daughters on preventing sexual violence: lessons learned in a developing setting, Sri Lanka

Component

Area

Pre-intervention

Median

IQR

Post-intervention

Median

IQR

Percentage difference in pre and post scores

Difference in percentage difference of IA & CA

Significance

Knowledge for preventing sexual violence among girls

IA

86.4

(75.8–92.7)

89.6

(79.5–94.3)

3.7%

4.3%

Z = 2.86

CA

87.3

(77.0-91.9)

86.1

(72.2–92.3)

-0.6%

 

P = 0.004

Attitudes on communicating sex-related matters with adolescent girls

IA

70.8

(62.5–83.3)

75.0

(70.0–85.0)

5.9%

5.9%

Z = 2.75

CA

75.0

(66.5–83.3)

75.0

(70.0–85.0)

0%

 

P = 0.005

Content of mother-daughter communication of sexual violence prevention

IA

75.0

(37.5–87.5)

87.5

(62.5–87.5)

16.6%

4.6%

Z = 1.03

CA

62.5

(62.5–87.5)

70.0

(62.5–83.5)

12%

 

P = 0.30

Frequency of mother-daughter communication on sexual violence prevention

IA

58.3

(41.7–75.0)

70.8

(62.0-83.3)

21.4%

27.1%

Z = 8.24

CA

70.8

(50.0–83.0)

66.7

(50.0-83.3)

-5.7%

 

P < 0.001