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Table 3 Reliability and validity of the questionnaire

From: Using the Unified Theory of Acceptance and Use of Technology (UTAUT) and e-health literacy(e-HL) to investigate the tobacco control intentions and behaviors of non-smoking college students in China: a cross-sectional investigation

Factors

Variables

I-CVI

Pc

k

Rating a

PE

PE1

1.000

0.0005

1.00

Excellent

PE2

0.818

0.0269

0.81

Excellent

PE3

1.000

0.0005

1.00

Excellent

b Cronbach’s Alpha = 0.873, c CR = 0.884, d AVE = 0.719

EE

EE1

0.909

0.0054

0.91

Excellent

EE2

0.909

0.0054

0.91

Excellent

EE3

1.000

0.0005

1.00

Excellent

Cronbach’s Alpha = 0.847, CR = 0.858, AVE = 0.668

SI

SI1

1.000

0.0005

1.00

Excellent

SI2

1.000

0.0005

1.00

Excellent

SI3

1.000

0.0005

1.00

Excellent

SI4

0.818

0.0269

0.81

Excellent

Cronbach’s Alpha = 0.852, CR = 0.821, AVE = 0.536

FC

FC1

1.000

0.0005

1.00

Excellent

FC2

0.909

0.0054

0.91

Excellent

FC3

0.818

0.0269

0.81

Excellent

Cronbach’s Alpha = 0.832, CR = 0.723, AVE = 0.561

BI

BI1

1.000

0.0005

1.00

Excellent

BI2

1.000

0.0005

1.00

Excellent

BI3

1.000

0.0005

1.00

Excellent

Cronbach’s Alpha = 0.862, CR = 0.856, AVE = 0.666

UB

UB1

1.000

0.0005

1.00

Excellent

UB2

1.000

0.0005

1.00

Excellent

UB3

1.000

0.0005

1.00

Excellent

Cronbach’s Alpha = 0.892, CR = 0.891, AVE = 0.731

e-HL

SP1

1.000

0.0005

1.00

Excellent

SP2

1.000

0.0005

1.00

Excellent

SP3

1.000

0.0005

1.00

Excellent

IA1

1.000

0.0005

1.00

Excellent

IA2

1.000

0.0005

1.00

Excellent

IA3

0.909

0.0054

0.91

Excellent

IA4

0.909

0.0054

0.91

Excellent

IA5

0.909

0.0054

0.91

Excellent

IJ1

0.818

0.0269

0.81

Excellent

IJ2

1.000

0.0005

1.00

Excellent

IJ3

1.000

0.0005

1.00

Excellent

IJ4

1.000

0.0005

1.00

Excellent

Cronbach’s Alpha = 0.906, CR = 0.912, AVE = 0.776

  1. I-CVI Item Content Validity Index > 0.78, Pc probability of random agreement, k modified kappa coefficient obtained by designing the relevant proportion of agreements
  2. aEvaluation criteria of k: poor ≤ 0.39, weak = 0.40–0.59; good = 0.60–0.73; excellent ≥ 0.74 according to Fleiss [50]; S-CVI: I-CVI average of the items in the subscale
  3. bCronbach’s Alpha > 0.80
  4. c CR Composite Reliability > 0.70
  5. d AVE Average Variance Extracted > 0.50