From: Persian version of brief infant sleep questionnaire (BISQ): a psychometric evaluation
Items | Questions | CVI | I-CVI | CVR | ||
---|---|---|---|---|---|---|
Relevance | Simplicity | Clarity | ||||
Sleeping arrangement | Sleeping arrangement (infant crib in a separate room, infant in crib in parents’ room, in parent’s bed, infant crib in room with sibling) | 0.9 | 0.8 | 0.8 | 0.83 | 0.8 |
Sleep position | In what position does your child sleep most of the time? (on his/her belly, on his/her side, on his/her back) | 0.8 | 0.8 | 0.9 | 0.83 | 0.8 |
Nocturnal sleep duration (hour) | How much time does your child spend in sleep during the NIGHT (between 7 in the evening and 7 in the morning)? (hour) | 1 | 0.9 | 1 | 0.97 | 1 |
Daytime sleep duration (hour) | How much time does your child spend in sleep during the DAY (between 7 in the morning and 7 in the evening)? (hour) | 1 | 0.9 | 1 | 0.97 | 1 |
Number of waking at night | Average number of night wakings per night | 1 | 1 | 1 | 1.00 | 1 |
Night waking duration (hour) | How much time during the night does your child spend in wakefulness (from 10 in the evening to 6 in the morning)? (hour) | 1 | 0.8 | 0.9 | 0.90 | 1 |
Nocturnal sleep latency (hour) | How long does it take to put your baby to sleep in the evening? (hour) | 1 | 1 | 1 | 1.00 | 1 |
Sleep situation | How does your baby fall asleep? (while feeding, being rocked, being held, in bed alone, in bed near parent) | 0.8 | 0.8 | 0.8 | 0.80 | 0.8 |
Sleep onset time (hour: minute) | When does your baby usually fall asleep for the night? (hour: minute) | 1 | 1 | 1 | 1.00 | 1 |
Maternal view | Do you consider your child’s sleep as a problem? | 1 | 1 | 0.9 | 0.97 | 1 |