Table 4 CFA statistics of individuals’ motives for caffeine consumption questionnaire

Habit

K1

1

K8

1.118

0.040

27.776

 < 0.001

Alertness

K2

1

K4

0.861

0.032

26.568

 < 0.001

K9

1.029

0.036

28.266

 < 0.001

K11

0.572

0.028

20.543

 < 0.001

K13

0.982

0.035

27.809

 < 0.001

K16

0.744

0.030

25.161

 < 0.001

K18

0.823

0.032

25.618

 < 0.001

K20

0.965

0.035

27.843

 < 0.001

K22

0.950

0.035

27.334

 < 0.001

Mood

K6

1

K12

1.064

0.039

27.074

 < 0.001

Social

K7

1

K10

2.650

0.277

9.551

 < 0.001

K14

2.536

0.268

9.452

 < 0.001

K15

3.402

0.346

9.830

 < 0.001

K19

2.832

0.294

9.634

 < 0.001

K21

3.327

0.337

9.864

 < 0.001

Taste

K3

1

K17

0.950

0.036

26.673

 < 0.001

Symptom management

K5

1

K23

0.519

0.032

16.110

 < 0.001