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Outcomes · Progress reports · continued

Seven-day rolling means and why weekly readings mislead posts 91–120

This is a continuation of a long topic, addressed by post number rather than by page. Start at post 1.

BD
b.demirTL2 Moderator23 Jul 2026#91

post #90 answers the question as asked. The question underneath it is different.

Rate of change: reporting progress as "lost 5 kg in 12 weeks" is more useful than "currently at 82 kg" because the rate tells you whether the change is steady, accelerating, or stalling.

13 likes 5d
SB
s.bruunTL2 Moderator23 Jul 2026#92

Non-scale victories: muscle gain or maintenance, clothing fit, energy level, and capability (like climbing stairs without breathlessness) are measurements that scale-based weight misses.

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b.oseiTL2 Moderator23 Jul 2026#93
ca.haddad, post #14: Measurement noise: day-to-day body mass varies by more than a kilogram on hydration, glycogen, and gut contents alone. A weekly reading is a single noisy sample of a distribution. A seven-day rolling mean of daily readings has much lower noise. Go to post

I disagree with the reply above, and I think the disagreement is substantive rather than terminological.

The distinction being drawn does not survive when you look at the published data for this specific question. I would be glad to be shown wrong on this, because the version I am arguing against is more convenient.

0 likes in reply to #14 5d
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a.reyesTL4 Admin23 Jul 2026 · edited#94
Staff post. Actions described here are recorded in the public moderation log and may be challenged in Meta.

Coming back to post #92, because the follow-up matters more than the original answer.

Measurement noise: day-to-day body mass varies by more than a kilogram on hydration, glycogen, and gut contents alone. A weekly reading is a single noisy sample of a distribution. A seven-day rolling mean of daily readings has much lower noise.

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KD
k.dahlbergTL2 Moderator24 Jul 2026#95

Menstrual cycle: for people who menstruate, weight can shift by several pounds across the cycle due to fluid retention and other factors. Noting cycle phase when weighing reduces apparent noise.

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owen.bradyTL4 Moderator24 Jul 2026#96

Protein intake and resistance training: both self-reported and therefore optimistic in most reports. Recording them anyway creates a record you can look back on.

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r.serranoTL2 Moderator24 Jul 2026#97
h.koodziej, post #24: This follows post #21 rather than contradicting it. Non-scale victories: muscle gain or maintenance, clothing fit, energy level, and capability (like climbing stairs without breathlessness) are measurements that scale-based weight misses. Go to post

This follows post #94 rather than contradicting it.

Exercise volume changes: increasing exercise intensity or duration can mask weight loss (muscle gain) on the scale. Noting exercise changes when reporting weight helps interpret results.

0 likes in reply to #24 4d
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ms_hollowayTL4Mass spectrometrist24 Jul 2026#98
r.marsden, post #46: Menstrual cycle: for people who menstruate, weight can shift by several pounds across the cycle due to fluid retention and other factors. Noting cycle phase when weighing reduces apparent noise. Go to post

I read post #96 twice before replying, because I had assumed the opposite.

Practical note that does not fit anywhere else. Whatever you conclude from this topic, write down what you did and when. The single most useful thing in your own records is not any individual result; it is that they are dated and consecutive.

2 likes in reply to #46 4d
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e.iyerTL2 Moderator24 Jul 2026 · edited#99

Protein intake and resistance training: both self-reported and therefore optimistic in most reports. Recording them anyway creates a record you can look back on.

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dr.villanuevaTL3Physician24 Jul 2026#100
r.marsden, post #46: Menstrual cycle: for people who menstruate, weight can shift by several pounds across the cycle due to fluid retention and other factors. Noting cycle phase when weighing reduces apparent noise. Go to post

On post #96 — agreed on the reasoning, with one qualification.

Two things before anyone answers the substance.

First, the context in the first post is clear and specific. Second, the question is framed so that an answer can actually address it. Both are the norm here and both matter more than they sound.

0 likes in reply to #46 4d
YM
y.mensahTL3Wiki editor24 Jul 2026#101

post #100 is right about the mechanism and I think understates the practical bit.

Measurement noise: day-to-day body mass varies by more than a kilogram on hydration, glycogen, and gut contents alone. A weekly reading is a single noisy sample of a distribution. A seven-day rolling mean of daily readings has much lower noise.

2 likes 4d
RM
r.mensahTL2 Moderator24 Jul 2026#102

Rate of change: reporting progress as "lost 5 kg in 12 weeks" is more useful than "currently at 82 kg" because the rate tells you whether the change is steady, accelerating, or stalling.

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BJ
b.jankowiakTL325 Jul 2026#103
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p.dialloTL2 Moderator25 Jul 2026 · edited#104
r.marsden, post #46: Menstrual cycle: for people who menstruate, weight can shift by several pounds across the cycle due to fluid retention and other factors. Noting cycle phase when weighing reduces apparent noise. Go to post

Plateaus and resets: if weight loss stalls and then resumes, that is ordinary. It is not evidence that the medication stopped working. It is not evidence that it is still working either. It is a data point in a longer record.

0 likes in reply to #46 3d
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BirkelandTL3Regular25 Jul 2026#105
i.balogun, post #81: Longitudinal report with the method stated: same scale, same time of day, same conditions. A scale is a tool; use the same one each time. Consistency matters more than accuracy at capturing absolute weight. Go to post

For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use.

0 likes in reply to #81 3d
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a.kravchenkoTL2 Moderator25 Jul 2026#106

Medication changes: escalating dose, or adding or removing other medications, can affect the rate of weight loss. Documenting medication changes alongside weight makes the record interpretable.

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buffer_sheetTL3Regular25 Jul 2026#107

Menstrual cycle: for people who menstruate, weight can shift by several pounds across the cycle due to fluid retention and other factors. Noting cycle phase when weighing reduces apparent noise.

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e.roosTL2 Moderator25 Jul 2026#108

Coming back to post #106, because the follow-up matters more than the original answer.

Longitudinal report with the method stated: same scale, same time of day, same conditions. A scale is a tool; use the same one each time. Consistency matters more than accuracy at capturing absolute weight.

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DH
dietitian_hollisTL3Dietitian25 Jul 2026#109
k.dahlberg, post #95: Menstrual cycle: for people who menstruate, weight can shift by several pounds across the cycle due to fluid retention and other factors. Noting cycle phase when weighing reduces apparent noise. Go to post

Exercise volume changes: increasing exercise intensity or duration can mask weight loss (muscle gain) on the scale. Noting exercise changes when reporting weight helps interpret results.

8 likes in reply to #95 3d
EH
e.halonenTL2 Moderator25 Jul 2026#110

Seasonal patterns: some people report weight loss is slower in winter than summer. Body composition and activity changes might contribute. Noting the season is useful context.

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t.waldenstrmTL2Member26 Jul 2026#111
z.iyer, post #3: Medication changes: escalating dose, or adding or removing other medications, can affect the rate of weight loss. Documenting medication changes alongside weight makes the record interpretable. Go to post

Measurement noise: day-to-day body mass varies by more than a kilogram on hydration, glycogen, and gut contents alone. A weekly reading is a single noisy sample of a distribution. A seven-day rolling mean of daily readings has much lower noise.

0 likes in reply to #3 2d
EK
ew.kuuselaTL2 Moderator26 Jul 2026 · edited#112
s.chowdhury, post #89: Having read the exchange above, I think I was wrong earlier in this topic and I want to say so plainly rather than quietly editing. The correction was fair and I had been repeating something I had not checked carefully enough. Go to post

Picking up post #109: that is the part I would want checked first.

Protein intake and resistance training: both self-reported and therefore optimistic in most reports. Recording them anyway creates a record you can look back on.

0 likes in reply to #89 2d
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BuchholzTL2Member26 Jul 2026#113

On post #109 — agreed on the reasoning, with one qualification.

Two things before anyone answers the substance.

First, the context in the first post is clear and specific. Second, the question is framed so that an answer can actually address it. Both are the norm here and both matter more than they sound.

19 likes 2d
GD
g.danquahTL2 Moderator26 Jul 2026#114

Menstrual cycle: for people who menstruate, weight can shift by several pounds across the cycle due to fluid retention and other factors. Noting cycle phase when weighing reduces apparent noise.

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LundqvistTL2Member26 Jul 2026#115
Birkeland, post #105: For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use. Go to post

Medication changes: escalating dose, or adding or removing other medications, can affect the rate of weight loss. Documenting medication changes alongside weight makes the record interpretable.

0 likes in reply to #105 2d
JS
j.solbergTL2 Moderator26 Jul 2026#116

For anyone arriving from a search: the marked solution above is the direct answer, and the replies underneath it add the caveats that make it safe to use.

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KB
k.bettencourtTL2Member26 Jul 2026#117

Worth separating two things that post #113 runs together.

Exercise volume changes: increasing exercise intensity or duration can mask weight loss (muscle gain) on the scale. Noting exercise changes when reporting weight helps interpret results.

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TB
t.brandtTL2 Moderator26 Jul 2026#118

post #117 is right about the mechanism and I think understates the practical bit.

Plateaus and resets: if weight loss stalls and then resumes, that is ordinary. It is not evidence that the medication stopped working. It is not evidence that it is still working either. It is a data point in a longer record.

5 likes 1d
GD
glossary_deskTL3Regular27 Jul 2026 · edited#119
owen.brady, post #96: Protein intake and resistance training: both self-reported and therefore optimistic in most reports. Recording them anyway creates a record you can look back on. Go to post

Non-scale victories: muscle gain or maintenance, clothing fit, energy level, and capability (like climbing stairs without breathlessness) are measurements that scale-based weight misses.

4 likes in reply to #96 1d
AV
a.vestergaardTL2 Moderator27 Jul 2026#120

Rate of change: reporting progress as "lost 5 kg in 12 weeks" is more useful than "currently at 82 kg" because the rate tells you whether the change is steady, accelerating, or stalling.

0 likes 1d