Table 2.

Mean (± SD) time spent in each daily activity by study

	Year of Study
	1975	1985	1992-94	1998-99	2003	2004	2005	2006
Daily activities (minutes)
Work	219 ± 274	237 ± 281	244 ± 291	251 ± 290	231 ± 281	231 ± 279	232 ± 279	236 ± 283
Household	152 ± 165	150 ± 161	134 ± 165	160 ± 173	156 ± 172	154 ± 170	155 ± 169	151 ± 168
Shopping	43 ± 71	51 ± 84	50 ± 93	50 ± 90	47 ± 80	47 ± 82	47 ± 79	47 ± 81
Personal (excluding sleep)	156 ± 141	161 ± 104	139 ± 108	156 ± 119	140 ± 109	143 ± 109	141 ± 106	139 ± 106
Sleep	509 ± 134	484 ± 123	496 ± 123	484 ± 125	509 ± 132	507 ± 133	510 ± 134	510 ± 135
Education	21 ± 92	28 ± 88	21 ± 99	21 ± 86	16 ± 83	16 ± 81	15 ± 77	16 ± 75
Organizational	24 ± 71	19 ± 65	18 ± 66	18 ± 65	19 ± 69	19 ± 67	18 ± 64	18 ± 63
Social	69 ± 114	65 ± 120	67 ± 134	60 ± 122	63 ± 115	60 ± 111	60 ± 111	61 ± 113
Sports/active leisure	42 ± 98	46 ± 99	45 ± 112	38 ± 90	20 ± 65	20 ± 66	20 ± 64	19 ± 61
Passive leisure	206 ± 161	199 ± 159	225 ± 185	201 ± 196	220 ± 188	225 ± 190	222 ± 189	221 ± 188
Commute	18 ± 31	23 ± 44	22 ± 38	27 ± 42	18 ± 37	18 ± 35	18 ± 36	19 ± 36

Note: The means for each activity category include individuals with zero activity in that category on the diary day. Separate sample weights were used for each study.