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Table 4 Climate Change Anxiety scale, behavioral intentions, and agency: item-level change after intervention (n = 932)

From: Climate change hopefulness, anxiety, and behavioral intentions among adolescents: randomized controlled trial of a brief “selfie” video intervention

Group n

Negative 313

Control 311

Positive 308

Climate change anxiety (CCA)

− 3.56

− 6.98

− 2.46

Cognitive emotional impairment

− 4.64

− 8.13

− 3.80

1. Thinking about climate change makes it difficult for me to concentrate

− 10.08

− 11.34

− 8.64

2. Thinking about climate change makes it difficult for me to sleep

− 4.72

− 7.90

− 4.52

3. I have nightmares about climate change

− 0.30

1.52

− 0.66

4. I find myself crying because of climate change

− 0.12

− 0.86

0.47

5. I think, “why can’t I handle climate change better”?

− 2.41

− 4.39

− 3.08

6. I go away by myself and think about why I feel this way about climate change

− 1.37

− 2.56

− 0.31

7. I write down my thoughts about climate change and analyze them

− 0.79

0.13

1.25

8. I think, “why do I react to climate change this way?”

− 0.51

− 3.34

0.73

Functional impairment

− 0.84

− 2.84

0.54

9. My concerns about climate change make it hard for me to have fun with my family or friends

− 1.50

− 2.76

0.60

10. I have problems balancing my concerns about sustainability with the needs of my family

− 3.37

− 3.53

− 2.04

11. My concerns about climate change interfere with my ability to get work or school assignments done

− 0.87

0.30

0.90

12. My concerns about climate change undermine my ability to work to my potential

0.31

− 1.80

1.51

13. My friends say I think about climate change too much

1.25

0.00

1.30

Behavioral Intentions (Likelihood over the next six months to…)

− 0.68

− 2.20

− 0.97

1. Educate myself about individual actions I can take to address climate change

− 2.63

− 0.81

− 1.56

2. Educate myself about actions I can take with other members of my community to address climate change

− 1.11

0.00

− 0.75

3. Raise awareness about climate change (talk with others, use online tools, etc.)

− 0.11

− 1.44

− 1.25

4. Participate in nature conservation efforts (e.g. planting trees)

− 0.23

0.21

-0.36

5. Participate in a climate change protest or rally

− 0.88

− 0.74

− 0.35

6. Join an organization focused on addressing climate change

− 0.89

− 2.61

− 1.05

7. Take on a leadership role in an organization focused on addressing climate change

0.75

− 1.70

− 0.68

8. Lead or organize a climate change protest or rally

1.68

− 0.69

1.44

Agency (slider)

5.31

4.71

8.37

  1. Paired t values compare differences between baseline and endpoint scores
  2. Values in bold are significant at p < 0.001
  3. Higher scores indicate greater anxiety, behavioral intentions, or agency