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Table 3 Sun protection behavior

From: Efficacy of a facial-aging web app on sun protection behaviors among primary school students in Iran: a randomized controlled trial

Behavior

Groups

Before Intervention T1

Immediately after intervention T2

Three months After the intervention T3

Repeated Measure ANOVA (p-value)

Repeated Measure ANOVA (p-value)

Independent samples T-test

  

Mean ± SD

Mean ± SD

Mean ± SD

Effects

F

P

ɳ2

Time

Groups

Intervention& Control

Control

Intervention

T1

T2

T3

Use of Sunscreen (Last Month)

Control Intervention

2.69 ± 1.53

2.78 ± 1.18

2.49 ± 1.38

Time

11.521

0.001

0.068

T1&T2

1.000

0.001

P = 0.983

P = 0.001

P = 0.001

2.69 ± 1.39

3.71 ± 1.85

3.61 ± 1.21

Group

18.494

0.001

0.105

T1&T3

0.796

0.001

Time* Group

13.158

0.001

0.077

T2&T3

0.107

0.001

Stay in the shade

Control

3.00 ± 1.67

2.65 ± 1.52

3.18 ± 1.39

Time

1.627

0.202

0.010

T1&T2

0.707

0.001

P = 0.765

P = 0.001

P = 0.257

Intervention

3.07 ± 1.42

3.69 ± 1.20

3.43 ± 1.29

Group

9.997

0.002

0.060

T1&T3

1.000

0.251

Time* Group

5.686

0.006

0.035

T2&T3

0.004

0.339

Wear a hat

Control

3.37 ± 1.06

3.67 ± 0.95

3.68 ± 1.06

Time

16.375

0.001

0.094

T1&T2

0.188

0.001

P = 0.761

P = 0.026

0.055

Intervention

3.32 ± 1.35

4.00 ± 0.89

3.98 ± 0.91

Group

1.275

0.121

0.015

T1&T3

0.245

0.001

Time* Group

2.459

0.10

0.015

T2&T3

1.000

1.000

Wear long-sleeved clothing

Control

4.13 ± 1.34

3.72 ± 1.21

3.84 ± 1.25

Time

1.250

0.283

0.008

T1&T2

0.109

1.000

P = 0.299

P = 0.164

P = 0.028

Intervention

3.91 ± 1.38

4.01 ± 1.40

4.25 ± 1.09

Group

1.275

0.216

0.008

T1&T3

0.408

0.269

Time* Group

3.514

0.042

0.022

T2&T3

0.976

0.154

Wear Sunglasses

Control

3.49 ± 1.11

3.48 ± 1.23

3.34 ± 1.20

Time

6.215

0.004

0.059

T1&T2

1.000

0.001

P = 0.328

P = 0.001

P = 0.001

Intervention

3.16 ± 1.38

3.93 ± 1.15

3.87 ± 1.20

Group

2.358

0.127

0.015

T1&T3

1.000

0.001

Time* Group

9.113

0.001

0.077

T2&T3

0.502

1.000

Use Sunscreen

Control

2.96 ± 1.25

3.07 ± 1.45

3.30 ± 1.37

Time

3.673

0.033

0.023

T1&T2

1.000

1.000

P = 0.134

P = 0.239

P = 0.193

Intervention

3.27 ± 1.34

3.33 ± 1.29

3.58 ± 1.30

Group

3.262

0.073

0.020

T1&T3

0.257

0.287

Time* Group

0.023

0.965

0.000

T2&T3

0.232

0.273

Use Sunscreen again after washing

Control

2.11 ± 1.43

2.13 ± 1.38

1.96 ± 1.21

Time

4.540

0.013

0.045

T1&T2

1.000

0006

P = 0.328

P = 0.001

P = 0.001

Intervention

2.32 ± 1.23

2.86 ± 1.35

3.18 ± 1.24

Group

23.143

0.001

0.128

T1&T3

1.000

0.001

Time* Group

8.260

0.001

0.088

T2&T3

0.563

0.185