Skip to main content

Table 4 Mixed model analyses of change over time for continuous outcome measures

From: Teen Mental Health First Aid for years 7–9: a description of the program and an initial evaluation

 

Main effect of time

Mean change over time contrasts

Pre to post

Pre to follow-up

p

School ICC

M

95% CI

p

d

95% CI

M

95% CI

p

d

95% CI

Confidence in helping Jeanie

0.003*

0.000

0.16

0.07 to 0.26

0.001*

0.17

0.03 to 0.31

0.05

− 0.04 to 0.15

0.267

0.07

− 0.07 to 0.21

Quality of intended support

< 0.001*

0.009

1.28

0.78 to 1.78

< 0.001*

0.26

0.12 to 0.40

0.02

− 0.49 to 0.52

0.952

0.03

− 0.11 to 0.17

Stigma—weak not sick

< 0.001*

0.076

− 0.28

− 0.34 to − 0.21

< 0.001*

0.43

0.29 to 0.56

− 0.14

− 0.20 to − 0.07

< 0.001*

0.24

0.10 to 0.38

Stigma—dangerous/unpredictable

0.093

0.013

− 0.02

− 0.09 to 0.05

0.511

0.07

− 0.07 to 0.20

− 0.08

− 0.15 to − 0.01

0.031*

0.13

− 0.00 to 0.27

Social distance

0.002

0.006

− 0.11

− 0.17 to − 0.05

< 0.001*

0.20

0.06 to 0.34

− 0.05

− 0.12 to 0.01

0.089

0.11

− 0.03 to 0.24

Number of adults helpful for Jeanie

< 0.001*

0.059

0.72

0.56 to 0.88

< 0.001*

0.45

0.31 to 0.59

0.38

0.22 to 0.54

< 0.001*

0.22

0.08 to 0.36

Quality of MHFA provided to peer

< 0.001*

0.027

     

0.47

0.23 to 0.70

< 0.001*

0.33

0.14 to 0.52

Quality of MHFA received from peer

0.239

0.001

     

0.30

− 0.20 to 0.80

0.239

0.19

− 0.14 to 0.52

K6

0.052a

0.024

     

0.43

− 0.00 to 0.87

0.052

− 0.05

− 0.19 to 0.09

  1. *statistically significant
  2. aThis p-value was 0.194 after transforming the variable to adjust for positive skew associated with outliers