Table 4.
Exploratory One-Factor Analysis of Items Derived from PCA Three-Factor Model: Instruments’ Subscale Score Domain and Respective a Priori Category
| Factors and Items* | Instruments’ Subscale Score Domain |
Experts’ A Priori Category |
|---|---|---|
|
Factor 1: Regulation and
Coordination of Movement | ||
| Alertness (NNNS) | Orientation/Attention | State Regulation |
| Irritability (NNNS) | Arousal | State Regulation |
| Consolability (NNNS) | Regulation | State Regulation |
| Motor Maturity(NNNS) | Quality of Movement | Muscle Tone |
| Lability of state(NNNS) | Regulation | State Regulation |
| Tracks Rattle(NNNS) | Orientation/Attention | Muscle Tone (Visual Motor) |
| Skin response to stress (NNNS) |
Stress/Abstinence | State Regulation (Autonomic) |
| Self Quiets (NNNS) | Regulation | State Regulation |
| Cuddles Arm (NNNS) | Regulation | State Regulation (Tactile) |
| Follow face and voice (NNNS) | Orientation/Attention | Muscle Tone (Visual/Auditory- Motor Integration) |
|
Factor 2 – Sensory-Affective
Reactivity: Regulation of Proximal Body Senses related to daily care activities | ||
| Fusses during bath (EITQ) |
Mood | Tactile |
| Accepts routine washing of diaper area (EITQ) |
Adaptability | Tactile |
| Resists Dressing/Undressing (EITQ) |
Distractibility | Tactile |
| My child becomes agitated when having hair washed (ISP) |
Low Threshold | Tactile |
| Resists having head tipped back during bathing (ISP) |
Low Threshold | Vestibular |
| Fusses whenever moved (ISP) | Low Threshold | Vestibular |
| Becomes upset when placed on back to change diapers (ISP) |
Low Threshold | Vestibular |
|
Factor 3 – Engagement through
Distal Body Senses | ||
| Notices (turns, quiets) music or voices in next room (EITQ) |
Threshold | Auditory |
| Continuously watches parents during clothing changes (EITQ) |
Persistence | Visual |
| Takes a long time to respond even to familiar voices (ISP) |
Low Registration | Auditory |
| Persistently watches parents’ face while parent is talking or singing (EITQ) |
Persistence | Visual |
| My child ignores me when I talk (ISP) |
Sensation Seeking | Auditory |
| I have to speak loudly to get my child’s attention (ISP) |
Low Registration | Auditory |
*
Note: This is a sample of instrument items with one-factor solution loadings > .30 that comprised each of the three primary factors derived from subscale scores.