Table 1

Results of remote biomonitoring device testing of upper arm skin temperature measurement against axillary digital thermometer measurement in postnatal mothers

Measurements: Postnatal mothers’ categories	Time of temperature recording (hh:mm)		Readings (n)	Temperature Mean (±SD)		Temperature Mean difference
Measurements: Postnatal mothers’ categories	(first reading)	(last reading)	Readings (n)	Device (upper arm)	Digital (axilla)	(device-digital)
Mothers of well babies
1	11:17	12:17	13	35.34	36.8	−1.4
2	11:02	12:02	13	35.15	36.7	−1.5
3	11:03	12:03	13	33.69	36.0	−2.3
4	11:18	12:18	13	34.02	36.4	−2.4
5	10:36	11:36	13	33.18	36.1	−2.9
6	11:50	12:50	13	34.21	36.2	−1.9
7	11:31	12:31	13	33.75	35.8	−2.1
8	11:38	12:38	13	33.31	36.1	−2.8
9	12:32	13:32	13	33.88	35.7	−1.8
10	14:19	15:19	13	35.69	36.4	−0.7
11	05:08	06:18	4	33.00	35.5	−2.5
Subgroup	–	–	312	34.1 (±0.9)	36.1 (±0.4)	−2.0*
Mothers of sick neonates
12	12:27	13:27	13	32.85	35.3	−2.4
13	11:08	12:08	13	35.29	36.5	−1.2
14	11:30	12:30	13	33.35	36.4	−3.1
15	14:18	15:18	13	34.16	36.4	−2.2
16	10:25	11:25	13	33.39	35.9	−2.5
17	11:41	12:41	13	35.16	36.4	−1.3
18	11:16	12:16	13	33.97	36.1	−2.2
Subgroup	–	–	91	34.0 (±0.9)	36.1 (±0.4)	−2.1†
Overall	–	–	403	34.1 (±0.9)	36.1 (±0.4)	−2.0‡

All P values < 0.001.
↵*t-test=10.5; df=10.
†t-test=8.3; df=6.
‡t-test=13.8; df=17.