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Table 2 Reliability analysis results of each item

From: The impact of sharing physical activity experience on social network sites on residents’ social connectedness:a cross-sectional survey during COVID-19 social quarantine

 

Mean

SD

CITC

α

AVE

CR

Sharing physical activity experiences

3.60

0.79

 

0.79

0.50

0.81

 Every time I do physical activity, I share photos.

3.66

1.00

0.84**

   

 Every time I do physical activity, I share videos.

3.29

1.09

0.85**

   

 Every time I do physical activity, I share Wechat moments, Weibo, QQ space, etc.

3.39

1.07

0.84**

   

 Every time I do physical activity, I share my feeling on Keep, HotBody, FitTime Instant Exercise, Fittime Ruijian Times or other websites.

4.05

0.88

0.59**

   

Social connectedness

2.36

0.74

 

0.92

0.60

0.92

 I feel disconnected from the world around me.

2.32

0.93

0.80**

   

 Even around people I know, I don’t feel that i really belong.

2.42

0.93

0.82**

   

 I feel so distant from people.

2.37

0.93

0.81**

   

 I have no sense of togetherness with my peers.

2.37

0.98

0.82**

   

 I don’t feel related to anyone.

2.32

0.90

0.82**

   

 I catch myself losing all sense of connectedness with society.

2.33

0.93

0.81**

   

 Even among my friends, there is no sense of brother/sisterhood.

2.34

0.89

0.81**

   

 I don’t feel I participate with anyone or any group.

2.39

0.87

0.78**

   

Positive self-presentation

3.65

0.74

 

0.88

0.55

0.88

 I post photos that only show the active and healthy side of me.

3.72

0.93

0.81**

   

 I selectively post photos in which I do physical activity.

3.68

0.92

0.78**

   

 I only write messages that portray my health and pleasure regardless of my actual feelings.

3.54

0.97

0.77**

   

 I use smiling emoticons (i.e., smiley: ☺) a lot in the messages related to physical activity I write regardless of my actual feelings.

3.60

0.95

0.81**

   

 I avoid writing about negative things that happen to me when I update my status related to physical activity.

3.68

0.93

0.79**

   

 When I update my status related to physical activity, I only reveal positive feelings.

3.71

0.89

0.79**

   

Positive feedback

3.67

0.77

 

0.88

0.60

0.88

 Every time I share photos about physical activity on SNS, many friends will give good replies, such as: really beautiful, really handsome, really healthy, awesome, etc.

3.70

0.93

0.84**

   

 Every time I post an idea about physical activity on SNS, I get replies from many friends.

3.58

0.94

0.81**

   

 When I post some physical activity on SNS that makes me proud or happy (such as body shape, competition results), many friends will give blessings through reply

3.72

0.93

0.82**

   

 Every time I post some physical activity on SNS, I encounter something interesting or funny, and many friends will reply to express their interest.

3.63

0.94

0.83**

   

 Every time I ask a question about physical activity on SNS, many friends will answer my question through reply, expressing their concern for me.

3.71

0.91

0.83**

   
  1. Note: ** indicates that the correlation is significant on the 0.01 level. SD standard deviation, CITC item-total correlation, α Cronbach’s alpha value, AVE average variance extracted, CR composite reliability of each construct, in which the reverse question has been re-scored