A Smart System for Sitting Posture Detection Based on Force Sensors and Mobile Application

Table 3

Average standard deviation for each sitting posture.

Posture subject	1	2	3	4	5	6	7	8	9
1	0.06	1.2	1.15	7.2	6.2	12.3	13.31	11.03	10.45
2	0.2	0.4	0.24	3.62	2.27	14.03	12.92	12.43	12.3
3	0.05	0.6	4.53	1.83	1.3	9.06	8.29	11.83	12.72
4	0.14	0.76	1.78	0.79	2.12	4.02	11.23	0.65	1.53
5	0.19	0.54	8.42	1.74	1.27	8.9	9.4	10.84	11.87
6	0.06	0.23	0.32	1.56	3.13	8.46	4.81	1.76	2.5
7	0.24	0.57	4.15	0.95	1.73	9.37	1.49	4.96	7.01
8	0.37	1.99	9.95	15.93	11.65	11.15	7.96	8.99	9.61
9	0.3	0.87	0.64	10.48	6.41	13.02	9.53	9.52	11.08
10	0.28	0.86	13.52	4.72	2.3	13.6	1.87	12.39	13.14
11	1.27	1.2	0.18	4.25	0.96	9.84	0.8	5.93	0.75
12	0.03	0.98	0.21	1.84	1.83	1.12	0.77	2.04	2.55
Average	0.266	0.850	3.758	4.576	3.431	9.573	6.865	7.698	7.959
STDEV	0.335	0.467	4.534	4.586	3.152	3.840	4.729	4.421	4.820