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Table 7 Change in outcome measures between baseline and follow-up

From: Promoting sunscreen use and skin self-examination to improve early detection and prevent skin cancer: quasi-experimental trial of an adolescent psycho-educational intervention

 

Control

Intervention

 

Baseline

Follow-up

Unadjusted

Adjusted

Baseline

Follow-up

Unadjusted

Adjusted

Outcome Measures

Mean (SD)

Mean (SD)

n

Sig

Sig

Mean (SD)

Mean (SD)

n

Sig

Sig

Sunscreen Use Intention and Planning Behaviour

 Intention to use sunscreen

3.61 (1.203)

3.37 (1.341)

79

0.015*

0.388

3.67 (1.177)

3.88 (1.099)

360

< 0.001***

0.186

 Plan WHAT sunscreen intend to use

2.47 (1.440)

2.44 (1.366)

79

0.443

0.773

2.64 (1.353)

3.33 (1.268)

369

< 0.001***

0.261

 Plan WHEN to use sunscreen

2.52 (1.376)

2.44 (1.366)

79

0.533

0.803

3.01 (1.378)

3.33 (1.268)

369

< 0.001***

0.817

 Plan WHERE to get it

2.43 (1.420)

2.29 (1.360)

79

0.237

0.965

2.81 (1.479)

3.17 (1.358)

369

< 0.001***

0.779

 Plan HOW to get it

2.27 (1.288)

2.10 (1.257)

79

0.198

0.952

2.52 (1.365)

2.93 (1.259)

368

< 0.001***

0.196

 COPING Plan

2.11 (1.368)

2.04 (1.203)

79

0.513

0.479

2.32 (1.309)

2.91 (1.337)

366

< 0.001***

0.915

Skin Self Examination Intention and Planning Behaviour

 Intention to examine skin for possible signs of skin cancer on a regular basis

2.71 (0.865)

2.49 (0.932)

79

0.035*

0.456

2.62 (0.976)

3.04 0.978

375

< 0.001***

0.051

 I have made a detailed plan regarding WHEN

1.47 (0.875)

1.49 (0.799)

79

0.300

0.125

1.48 (0.842)

2.21 (1.103)

376

< 0.001***

0.718

 I have made a detailed plan regarding WHERE

1.56 (0.920)

1.56 (0.877)

78

0.991

0.569

1.61 (0.945)

2.62 (1.221)

374

< 0.001***

0.192

 I have made a detailed plan regarding HOW

1.55 (0.935)

1.62 (0.901)

78

0.744

0.996

1.55 (0.858)

2.72 (1.213)

374

< 0.001***

0.022*

 I have made a detailed plan for COPING

1.48 (0.830)

1.76 (0.950)

79

0.017*

0.672

1.65 (0.915)

2.37 (1.166)

372

< 0.001***

0.426

Skin cancer risk representations

 Identity: How much skin cancer would affect your life

7.70 (2.084)

7.71 (2.316)

77

0.729

0.888

8.22 (1.806)

8.26 (1.943)

375

0.215

0.474

 Control: How much control you feel you have to prevent skin cancer

5.29 (2.251)

5.05 (2.197)

78

0.834

0.990

5.90 (2.254)

6.62 (1.893)

376

< 0.001***

0.029*

 Timeline: Given you age, how relevant to conduct SSE

4.81 (2.391)

4.59 (2.265)

78

0.767

0.104

5.23 (2.308)

7.14 (2.068)

372

< 0.001***

0.873

 Consequences: How painful the effects of skin cancer would be

6.74 (2.002)

6.21 (2.223)

76

0.053

0.869

7.05 (2.036)

6.96 (2.200)

369

0.524

< 0.001***

 

% (n)

% (n)

   

% (n)

% (n)

   

Skin Self Examination in past month

 (% Yes)

8.7 (8)

12.5 (13)

 

0.337(+)

0.599(+)

5.6 (30)

32.6 (143)

 

< 0.001*** (+)

< 0.001*** (+)

 (% No)

85.9 (79)

82.7 (86)

   

90.8 (486)

65.1 (286)

   

 (% Don’t know)

5.4 (5)

4.8 (5)

   

3.6 (19)

2.3 (10)

   

Talk about skin cancer in the past month

 (% Yes)

8.7 (8)

14.6 (15)

 

0.866(+)

0.888(+)

9.2 (49)

53.5 (234)

 

< 0.001***(+)

< 0.001***(+)

 (% No)

91.3 (84)

85.4 (88)

   

90.8 (481)

46.5 (203)

   
  1. Note:*p < 0.05, ***p < 0.001
  2. (+) p-values refer to the comparison between control and intervention for baseline and follow-up separately. Logistic regression model was applied to take into account confounder ‘Age’