Table 1.
Sample | Combined Stage of Change | ||||
---|---|---|---|---|---|
(n = 75) | No Readiness To Change (n = 18) |
Readiness 2 Cups (n = 16) |
Readiness 2 & 4 Cups (n = 41) |
P- value |
|
Demographics | |||||
Age (years; Mean [SD]) | 14.2 (2.4) | 14.9 (2.9) | 13.3 (2.4) | 14.2 (2.2) | 0.16 |
Race | 0.17 | ||||
White | 75%, 56 | 61%, 11 | 69%, 11 | 83%, 34 | |
Non-White | 25%, 19 | 39%, 7 | 31%, 5 | 17%, 7 | |
Gender | 0.13 | ||||
Male | 48%, 36 | 50%, 9 | 69%, 11 | 39%, 16 | |
Female | 52%, 39 | 50%, 9 | 31%, 5 | 61%, 25 | |
Household Composition | 0.75 | ||||
2 Parent Home | 83%, 62 | 78%, 14 | 88%, 14 | 83%, 34 | |
Other | 17%, 13 | 22%, 4 | 12%, 2 | 17%, 7 | |
School Achievement | 0.52 | ||||
Mostly A’s/B’s | 76%, 57 | 67%, 12 | 75%, 12 | 81%, 33 | |
Other | 24%, 18 | 33%, 6 | 25%, 4 | 19%, 8 | |
Clinical Characteristics | |||||
Primary Diagnosis | 0.95 | ||||
Leukemia | 52%, 39 | 50%, 9 | 50%, 8 | 46%, 19 | |
Other Type | 48%, 36 | 50%, 9 | 50%, 8 | 54%, 22 | |
Years Since Diagnosis (Mean [SD]) |
9.0 (3.4) | 8.2 (3.5) | 9.4 (3.3) | 9.1 (3.4) | 0.57 |
Theoretical Predictors | |||||
Bone Health Knowledge (Mean, [SD]) |
2.9 (0.9) | 2.1 (1.2) | 2.3 (1.1) | 2.3 (1.1) | 0.72 |
Calcium Self-Efficacy (Mean, [SD]) |
38.9 (7.9) | 36.6 (8.0) | 39.1 (6.5) | 39.7 (8.2) | 0.37 |
Behavioral Predictors | |||||
Milk Consumption Frequency (Mean, [SD])a |
2.1 (0.89) | 2.4 (0.85)1 | 2.7 (0.95)1 | 3.3 (0.74)2 | <.001 |
Normal Day ≥ 4 Glasses of Milk |
28%, 21 | 6%, 1 | 19%, 3 | 42%, 17 | 0.01 |
Meets Recommended Calcium Intakeb |
27%, 20 | 6%, 1 | 19%, 3 | 39%, 16 | 0.02 |
Calcium Intake (mg) (Mean, [SD])a |
991.0 (509.0) |
702.5 (346.4)1 |
945.4 (502.1)1,2 |
1135.4 (523.6)2 |
0.006 |
Note. Unless noted, cells display % and n. SD = Standard Deviation.
Means with different superscript numbers differ at p < 0.05 after adjustment for multiple comparisons.
P-value from Fisher’s exact χ2