Table 6: Cronbach's alpha.
| Paper | Cronbach's Alpha (C-α) | |
| Anxiety | Need for information | |
| Moerman, et al. (1996) [10] | 0.86 | 0.68 |
| Boker, et al. (2002) [19] | 0.84 | 0.77 |
| Mohd Fahmi, et al. (2015) [17] | 0.926 | 0.900 |
| Berth, et al. (2007) [20] | 0.92 | 0.86 |
| Nishimori, et al. (2002) [14] | 0.84 | 0.68 |
| Buonanno, et al. (2017) [18] | 0.877 | 0.755 |
| Maurice-Szamburski, et al. (2013) [12] | Range from 0.76-0.84 | |