Table 5.
T-test and ANOVA results for comfort and support characteristics of pillows (Mean (S.D.)).
| Variables | Total | Age (Years) | Sex | Sleeping Position | |||||
|---|---|---|---|---|---|---|---|---|---|
| 20–39 | 40–59 | 60–76 | Male | Female | Supine | Lateral | |||
| Support | Head | 5.1 (1.2) |
5.2 (1.3) |
5.2 (1.1) |
5.0 (1.2) |
5.1 (1.3) |
5.1 (1.2) |
5.3 * (1.1) |
4.9 * (1.3) |
| Neck | 4.7 (1.4) |
4.6 (1.5) |
4.9 (1.2) |
4.9 (1.3) |
4.6 * (1.5) |
4.9 * (1.3) |
4.9 * (1.4) |
4.5 * (1.4) |
|
| Shoulder | 3.8 (1.5) |
3.6 * (1.5) |
4.1 * (1.4) |
4.1 * (1.4) |
3.7 (1.5) |
3.9 (1.5) |
3.9 (1.5) |
3.7 (1.5) |
|
| Comfort | Head | 5.2 (1.2) |
5.2 (1.3) |
5.3 (1.1) |
5.0 (1.2) |
5.2 (1.2) |
5.2 (1.3) |
5.2 (1.3) |
5.2 (1.2) |
| Neck | 4.7 (1.4) |
4.6 (1.5) |
5.0 (1.2) |
4.8 (1.4) |
4.7 (1.5) |
4.7 (1.3) |
4.9 (1.4) |
4.6 (1.3) |
|
| Shoulder | 4.1 (1.5) |
3.9 (1.5) |
4.3 (1.4) |
4.1 (1.4) |
4.0 (1.5) |
4.2 (1.4) |
4.2 (1.5) |
3.9 (1.4) |
|
| Less Fatigue | Head | 5.1 (1.2) |
5.2 (1.3) |
5.0 (1.1) |
5.0 (1.2) |
5.1 (1.2) |
5.1 (1.2) |
5.2 (1.2) |
5 (1.2) |
| Neck | 4.6 (1.4) |
4.4 * (1.5) |
4.9 * (1.2) |
4.9 * (1.2) |
4.7 (1.4) |
4.5 (1.4) |
4.8 * (1.4) |
4.4* (1.5) |
|
| Shoulder | 4.2 (1.4) |
4.1 * (1.5) |
4.4 * (1.3) |
4.5 * (1.4) |
4.3 (1.5) |
4.2 (1.4) |
4.4 (1.5) |
4.1 (1.4) |
|
| Height suitability | Head | 5.0 (1.3) |
5.0 (1.4) |
5.0 (1.3) |
5.1 (1.3) |
5.0 (1.3) |
5.0 (1.3) |
5.1 (1.3) |
4.8 (1.3) |
| Neck | 4.7 (1.4) |
4.6 (1.4) |
4.7 (1.4) |
4.9 (1.3) |
4.7 (1.5) |
4.7 (1.3) |
4.8 (1.4) |
4.5 (1.4) |
|
| Shape suitability | Head | 5.1 (1.3) |
5.1 (1.3) |
5.1 (1.2) |
5.0 (1.2) |
5.1 (1.2) |
5.0 (1.3) |
5.2* (1.2) |
4.9* (1.3) |
| Neck | 4.8 (1.4) |
4.7 (1.4) |
4.9 (1.3) |
4.9 (1.3) |
4.7 * (1.4) |
4.8 * (1.2) |
4.8 (1.3) |
4.7 (1.4) |
|
| Shoulder | 4.4 (1.4) |
4.4 (1.5) |
4.5 (1.4) |
4.4 (1.2) |
4.3 * (1.5) |
4.4 * (1.3) |
4.5 (1.3) |
4.3 (1.5) |
|
| Temperature suitability | 5.0 (1.3) |
5.2 * (1.2) |
4.8 * (1.3) |
4.7 * (1.4) |
5.0 (1.3) |
5.0 (1.3) |
5.1 (1.4) |
4.9 (1.4) |
|
| Overall satisfaction | 4.9 (1.3) |
4.9 (1.4) |
4.8 (1.2) |
4.9 (1.2) |
4.9 (1.3) |
4.8 (1.3) |
5.0 (1.2) |
4.8 (1.4) |
|
| Willingness to repurchase | 4.6 (1.6) |
4.4 (1.6) |
4.8 (1.5) |
4.7 (1.6) |
4.5 (1.6) |
4.6 (1.6) |
4.7 (1.6) |
4.4 (1.6) |
|
* Analysis of variance (age), independent t-test value (sex, sleeping position), p ≤ 0.05.