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Appendix A

Table 1. Participant Age and Race

Age # of Participants Race # of Participants
18-24 12 Caucasian 3
25-30 11 African-American 5
30-40 7 Hispanic 16
    Other 6
Total 30   30

Table 2. Hypothesis Testing

Variable P-Value Residual Standard Error* R-Squared F-Statistic (on 1 and 28 DF)
RS vs. Touch 1 0.8176 4.757 0.001932 0.0542
RS vs. Touch 2 0.3143 10.76 0.03614 1.05
RS vs. MITS 0.2993 10.74 0.03841 1.118
RS vs. Infant Age 0.5859 12.39 0.01073 0.3038
RS vs. Employment 0.9795 16.024 --- ---

Table 3-1. Summary Statistics by Age Group

Age Group Number in Group Median Age Age: Standard Deviation
Age > 25 14 30 3.5
Age </= 25 16 22 2.3

Table 3-2. Linear Regression Statistics by Age </= 25

Variable P-Value Residual Standard Error (on 14 DF) R-Squared F- Statistic
RS vs. T1 0.03898 10.48 0.2703 5.187
RS vs. T2 0.5229 12.08 0.02976 0.4294
RS vs. MITS 0.08115 10.96 0.2015 3.533

Table 4-1. Linear Regression Statistics RS-14 vs. T1

Variable P-Value Residual Standard Error (on 14 DF) R-Squared F- Statistic
Infant </= 24 weeks 0.8994 11.32 0.0007099 0.01634 (1&23 DF)
Infant > 24 weeks 0.8159 11.46 0.02105 0.06451 (1&3 DF)
1st Infant 0.4535 12.74 0.04763 0.6001 (1&12 DF)
Not 1st Infant 0.736 9.294 0.008377 0.1183 (1&14 DF)
Delivery: Vaginal 0.6699 9.328 0.008824 0.1869 (1&21 DF
Delivery: C-Section 0.05721 11.38 0.5476 6.053 (1&5 DF)
Labor: </= 12 Hours 0.4273 7.934 0.04249 6.053 (1&15 DF)
Labor: >12 Hours 0.05721 11.38 0.5476 6.053 (1&11 DF)
Feeding: Breast Only 0.8101 15.35 0.0224 0.06875 (1&15 DF)
Feeding: Bottle Only 0.368 12.33 0.08163 0.8888 (1&10 DF)
Feeding: Both Breast and Bottle 0.3066 8.944 0.09461 1.149 (1&11 DF)
NICU: Time Spent 0.8208 8.328 0.02418 0.07433 (1&3 DF)
NICU: No Time Spent 0.6062 11.45 0.01174 0.2731 (1&23 DF)
EDD: within 1 week - 4 weeks prior 0.8816 12.45 0.001322 0.02118 (1&16 DF
EDD: 5+ weeks prior 0.3527 9.949 0.08676 0.95 (1&10 DF)
Bath: Short 0.8502 9.716 0.001926 0.03666 (1&19 DF)
Bath: Long 0.2901 4.426 0.1832 1.346 (1&6 DF)

Table 4-2. Linear Regression Statistics RS-14 vs. T2

Variable P-Value Residual Standard Error (on 14 DF) R-Squared F- Statistic
Infant </= 24 weeks 0.3376 11.1 0.0007099 0.01634 (1&23 DF)
Infant > 24 weeks 0.9447 11.58 0.001888 0.005675 (1&3 DF)
1st Infant 0.4291 12.7 0.05287 0.6698 (1&12 DF)
Not 1st Infant 0.3905 9.082 0.05312 0.7854 (1&14 DF)
Delivery: Vaginal 0.2454 9.067 0.06366 1.428 (1&21 DF)
Delivery: C-Section 0.8584 16.86 0.007008 0.03529 (1&5 DF)
Labor: </= 12 Hours 0.1218 7.467 0.1521 2.69 (1&15 DF)
Labor: >12 Hours 0.1188 12.19 0.2064 2.862 (1&11 DF)
Feeding: Breast Only 0.28025 12.37 0.3651 1.725 (1&15 DF)
Feeding: Bottle Only 0.5662 12.64 0.034 0.352 (1&10 DF)
Feeding: Both Breast and Bottle 0.5017 9.201 0.04202 0.4824 (1&11 DF)
NICU: Time Spent 6.594 0.6215 0.3882 1.904 (1&3 DF)
NICU: No Time Spent 0.18883 11.09 0.07401 1.838 (1&23 DF)
EDD: within 1 week - 4 weeks prior 0.5444 12.31 0.02342 0.3836 (1&16 DF)
EDD: 5+ weeks prior 0.382 8.996 0.07718 0.8364 (1&10 DF)
Bath: Short 0.2602 9.398 0.0662 1.347 (1&19 DF)
Bath: Long 0.05967 3.557 0.4723 5.47 (1&6 DF)

Table 4-3. Linear Regression Statistics RS-14 vs. MITS

Variable P-Value Residual Standard Error (on 14 DF) R-Squared F- Statistic
Infant </=24 weeks 0.1446 10.8 0.09021 0.06451 (1&23 DF)
Infant > 24 weeks 0.9088 11.56 0.00514 0.0155 (1&3 DF)
1st Infant 0.08952 11.52 0.2214 3.412 (1&12 DF)
Not 1st Infant 0.9911 9.333 0.000009 0.0001297 (1&14 DF)
Delivery: Vaginal 0.9202 9.367 0.0004891 0.01028 (1&21 DF)
Delivery: C-Section 0.1609 13.63 0.3511 2.706 (1&5 DF)
Labor: </= 12 Hours 0.8128 8.093 0.00386 0.05812 (1&15 DF)
Labor: >12 Hours 0.0909 11.94 0.2379 3.433 (1&11 DF)
Feeding: Breast Only 0.632 14.84 0.08602 0.2823 (1&15 DF)
Feeding: Bottle Only 0.2 11.8 0.1585 1.883 (1&10 DF)
Feeding: Both Breast and Bottle 0.9347 9.397 0.0006387 0.00703 (1&11 DF)
NICU: Time Spent 0.156 5.705 0.5421 3.552 (1&3 DF)
NICU: No Time Spent 0.395 11.34 0.03163 0.7512 (1&23 DF)
EDD: within 1 week - 4 weeks prior 0.2331 11.9 0.08758 1.536 (1&10 DF)
EDD: 5+ weeks prior 0.888 9.355 0.002083 0.02087 (1&10 DF)
Bath: Short 0.2457 9.378 0.07022 1.435 (1&19 DF)
Bath: Long 0.1068 3.872 0.3746 3.595 (1&6 DF)

Table 5-1. Hispanic, Non-Hispanic Sample Median Survey Scores

Ethnicity RS T1 T2 MITS
Hispanic 93 30 22 53.5
Non-Hispanic 82.5 28 20 51

Table 5-2. Linear Regression Statistics Hispanics

Variable P-Value Residual Standard Error (on 14 DF) R-Squared F-Statistic (on 1 and 14 DF)
RS vs. T1 0.8313 12.93 0.003352 0.04709
RS vs. T2 0.288 12.42 0.08014 1.22
RS vs. MITS 0.1936 12.17 0.1176 1.865

Table 5-3. Linear Regression Statistics Non-Hispanics

Variable P-Value Residual Standard Error (on 14 DF) R-Squared F-Statistic (on 1 and 14 DF)
RS vs. T1 0.6453 7.913 0.01823 0.2229
RS vs. T2 0.5918 7.887 0.02467 0.3036
RS vs. MITS 0.8918 7.98 0.001606 0.0193

Appendix B >>