Table 5

Method of measurement (n=169)

	n (%)
Observation 10 s	11 (7%)
Observation 15 s	125 (74%)
Observation 30 s	16 (9%)
Observation 60 s	12 (7%)
Palpation 30 s	4 (2%)
Palpation 60 s	1 (<1%)

*Observation/palpation of chest and abdominal movements.