Table 1.
Mean scores, standard deviation, measures of distribution, and the corrected item-total correlation for the18-item online shopping addiction scale based on the exploratory sample.
| Subscales | Item | Item content | M | SD | Skewness | Kurtosis | CITC |
|---|---|---|---|---|---|---|---|
| Salience | S1 | When I am not shopping online, I keep thinking about it | 3.44 | 1.10 | −0.61 | −0.42 | 0.45 |
| S2 | I frequently think about how to spare more time or money to spend in online shopping | 3.27 | 1.17 | −0.23 | −0.84 | 0.53 | |
| S3 | Online shopping is important for my life | 3.80 | 1.03 | −0.89 | 0.30 | 0.38 | |
| Tolerance | T1 | Recently, I have an urge to do more and more online shopping | 2.38 | 1.18 | 0.47 | −0.86 | 0.55 |
| T2 | I spend more and more time in online shopping | 2.13 | 1.13 | 0.75 | −0.43 | 0.56 | |
| T3 | Recently I often shop online unplanned | 2.62 | 1.29 | 0.10 | −1.32 | 0.53 | |
| Mood modification | M1 | When I feel bad, online shopping can make me feel good | 3.28 | 1.11 | −0.33 | −0.61 | 0.54 |
| M2 | When I am feeling down, anxious, helpless or uneasy, I shop online in order to make myself feel better | 2.23 | 1.25 | 0.60 | −0.94 | 0.45 | |
| M3 | Online shopping can help me to temporarily forget the troubles in real life | 2.32 | 1.22 | 0.48 | −0.98 | 0.57 | |
| Withdrawal | W1 | When I can't do online shopping for certain excuses, I will get depressed or lost | 2.19 | 1.14 | 0.67 | −0.58 | 0.63 |
| W2 | Life without online shopping for some time would be boring and joyless for me | 2.23 | 1.22 | 0.66 | −0.74 | 0.68 | |
| W3 | I will feel restless or depressed when attempting to shop online but unable to achieve | 2.46 | 1.22 | 0.34 | −1.11 | 0.55 | |
| Relapse | R1 | I have tried to cut back or stop my online shopping, but failed | 2.16 | 1.09 | 0.77 | −0.22 | 0.59 |
| R2 | I have decided to do online shopping less frequently, but not managed to do so | 2.06 | 1.03 | 0.77 | −0.26 | 0.59 | |
| R3 | If I cut down the amount of online shopping in one period, and then start again, I always end up shopping as often as I did before | 1.86 | 1.04 | 1.09 | 0.32 | 0.67 | |
| Conflict | C1 | My productivity for work or study has decreased as a direct result of online shopping | 1.68 | 0.88 | 1.35 | 1.57 | 0.45 |
| C2 | I have once quarreled with my parents for my online shopping | 1.42 | 0.83 | 2.31 | 5.26 | 0.25 | |
| C3 | I have cut off my time with parents and friends for my online shopping | 1.53 | 0.79 | 1.69 | 2.81 | 0.52 |
M, Mean; SD, Standard Deviation; CITC, Corrected Item-Total Correlation.